Home / 42,014.10-57,980.52-23,151.22

Finding the Fourth Proportional to 42,014.10, 57,980.52 and 23,151.22

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Solution

The fourth proportional to 42,014.10, 57,980.52 and 23,151.22 is: 31,949.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,014.10 : 57,980.52 = 23,151.22 : x
  2. Step 2: Convert to fraction form
    42,014.10/57,980.52 = 23,151.22/x
  3. Step 3: Cross multiply
    42,014.10x = 57,980.52 × 23,151.22
  4. Step 4: Simplify right side
    42,014.10x = 1,342,319,774.23
  5. Step 5: Solve for x
    x = 1,342,319,774.23/42,014.10
  6. Step 6: Final answer
    x = 31,949.27

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Double scale
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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.