Home / 56,397.52-77,828.48-31,247.04

Finding the Fourth Proportional to 56,397.52, 77,828.48 and 31,247.04

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Solution

The fourth proportional to 56,397.52, 77,828.48 and 31,247.04 is: 43,120.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,397.52 : 77,828.48 = 31,247.04 : x
  2. Step 2: Convert to fraction form
    56,397.52/77,828.48 = 31,247.04/x
  3. Step 3: Cross multiply
    56,397.52x = 77,828.48 × 31,247.04
  4. Step 4: Simplify right side
    56,397.52x = 2,431,909,627.70
  5. Step 5: Solve for x
    x = 2,431,909,627.70/56,397.52
  6. Step 6: Final answer
    x = 43,120.86

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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.