Home / 56,947.97-85,430.13-17,508.40

Finding the Fourth Proportional to 56,947.97, 85,430.13 and 17,508.40

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Solution

The fourth proportional to 56,947.97, 85,430.13 and 17,508.40 is: 26,265.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,947.97 : 85,430.13 = 17,508.40 : x
  2. Step 2: Convert to fraction form
    56,947.97/85,430.13 = 17,508.40/x
  3. Step 3: Cross multiply
    56,947.97x = 85,430.13 × 17,508.40
  4. Step 4: Simplify right side
    56,947.97x = 1,495,744,608.86
  5. Step 5: Solve for x
    x = 1,495,744,608.86/56,947.97
  6. Step 6: Final answer
    x = 26,265.11

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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.