Home / 56,947.79-85,429.85-17,508.21

Finding the Fourth Proportional to 56,947.79, 85,429.85 and 17,508.21

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Solution

The fourth proportional to 56,947.79, 85,429.85 and 17,508.21 is: 26,264.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,947.79 : 85,429.85 = 17,508.21 : x
  2. Step 2: Convert to fraction form
    56,947.79/85,429.85 = 17,508.21/x
  3. Step 3: Cross multiply
    56,947.79x = 85,429.85 × 17,508.21
  4. Step 4: Simplify right side
    56,947.79x = 1,495,723,666.53
  5. Step 5: Solve for x
    x = 1,495,723,666.53/56,947.79
  6. Step 6: Final answer
    x = 26,264.83

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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.