Home / 56,472.90-84,717.18-19,043.70

Finding the Fourth Proportional to 56,472.90, 84,717.18 and 19,043.70

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Solution

The fourth proportional to 56,472.90, 84,717.18 and 19,043.70 is: 28,568.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,472.90 : 84,717.18 = 19,043.70 : x
  2. Step 2: Convert to fraction form
    56,472.90/84,717.18 = 19,043.70/x
  3. Step 3: Cross multiply
    56,472.90x = 84,717.18 × 19,043.70
  4. Step 4: Simplify right side
    56,472.90x = 1,613,328,560.77
  5. Step 5: Solve for x
    x = 1,613,328,560.77/56,472.90
  6. Step 6: Final answer
    x = 28,568.19

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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.