Home / 57,253.35-79,010.10-31,761.39

Finding the Fourth Proportional to 57,253.35, 79,010.10 and 31,761.39

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Solution

The fourth proportional to 57,253.35, 79,010.10 and 31,761.39 is: 43,830.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,253.35 : 79,010.10 = 31,761.39 : x
  2. Step 2: Convert to fraction form
    57,253.35/79,010.10 = 31,761.39/x
  3. Step 3: Cross multiply
    57,253.35x = 79,010.10 × 31,761.39
  4. Step 4: Simplify right side
    57,253.35x = 2,509,470,125.59
  5. Step 5: Solve for x
    x = 2,509,470,125.59/57,253.35
  6. Step 6: Final answer
    x = 43,830.97

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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.