Home / 42,014.17-57,980.16-23,150.89

Finding the Fourth Proportional to 42,014.17, 57,980.16 and 23,150.89

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Solution

The fourth proportional to 42,014.17, 57,980.16 and 23,150.89 is: 31,948.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,014.17 : 57,980.16 = 23,150.89 : x
  2. Step 2: Convert to fraction form
    42,014.17/57,980.16 = 23,150.89/x
  3. Step 3: Cross multiply
    42,014.17x = 57,980.16 × 23,150.89
  4. Step 4: Simplify right side
    42,014.17x = 1,342,291,900.69
  5. Step 5: Solve for x
    x = 1,342,291,900.69/42,014.17
  6. Step 6: Final answer
    x = 31,948.56

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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.