Home / 45,374.88-62,613.12-42,031.20

Finding the Fourth Proportional to 45,374.88, 62,613.12 and 42,031.20

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Solution

The fourth proportional to 45,374.88, 62,613.12 and 42,031.20 is: 57,999.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,374.88 : 62,613.12 = 42,031.20 : x
  2. Step 2: Convert to fraction form
    45,374.88/62,613.12 = 42,031.20/x
  3. Step 3: Cross multiply
    45,374.88x = 62,613.12 × 42,031.20
  4. Step 4: Simplify right side
    45,374.88x = 2,631,704,569.34
  5. Step 5: Solve for x
    x = 2,631,704,569.34/45,374.88
  6. Step 6: Final answer
    x = 57,999.15

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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.