Home / 57,024.04-78,691.95-31,531.47

Finding the Fourth Proportional to 57,024.04, 78,691.95 and 31,531.47

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Solution

The fourth proportional to 57,024.04, 78,691.95 and 31,531.47 is: 43,512.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,024.04 : 78,691.95 = 31,531.47 : x
  2. Step 2: Convert to fraction form
    57,024.04/78,691.95 = 31,531.47/x
  3. Step 3: Cross multiply
    57,024.04x = 78,691.95 × 31,531.47
  4. Step 4: Simplify right side
    57,024.04x = 2,481,272,860.67
  5. Step 5: Solve for x
    x = 2,481,272,860.67/57,024.04
  6. Step 6: Final answer
    x = 43,512.75

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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.