Home / 42,013.11-57,980.90-23,150.24

Finding the Fourth Proportional to 42,013.11, 57,980.90 and 23,150.24

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Solution

The fourth proportional to 42,013.11, 57,980.90 and 23,150.24 is: 31,948.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,013.11 : 57,980.90 = 23,150.24 : x
  2. Step 2: Convert to fraction form
    42,013.11/57,980.90 = 23,150.24/x
  3. Step 3: Cross multiply
    42,013.11x = 57,980.90 × 23,150.24
  4. Step 4: Simplify right side
    42,013.11x = 1,342,271,460.51
  5. Step 5: Solve for x
    x = 1,342,271,460.51/42,013.11
  6. Step 6: Final answer
    x = 31,948.87

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Half scale
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Double scale
Find fourth proportional to 42,014.11, 57,982.28 and 23,151.24
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.