Home / 57,403.29-86,023.16-42,291.56

Finding the Fourth Proportional to 57,403.29, 86,023.16 and 42,291.56

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Solution

The fourth proportional to 57,403.29, 86,023.16 and 42,291.56 is: 63,377.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,403.29 : 86,023.16 = 42,291.56 : x
  2. Step 2: Convert to fraction form
    57,403.29/86,023.16 = 42,291.56/x
  3. Step 3: Cross multiply
    57,403.29x = 86,023.16 × 42,291.56
  4. Step 4: Simplify right side
    57,403.29x = 3,638,053,632.53
  5. Step 5: Solve for x
    x = 3,638,053,632.53/57,403.29
  6. Step 6: Final answer
    x = 63,377.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.