Home / 56,862.92-85,304.10-19,420.94

Finding the Fourth Proportional to 56,862.92, 85,304.10 and 19,420.94

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Solution

The fourth proportional to 56,862.92, 85,304.10 and 19,420.94 is: 29,134.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,862.92 : 85,304.10 = 19,420.94 : x
  2. Step 2: Convert to fraction form
    56,862.92/85,304.10 = 19,420.94/x
  3. Step 3: Cross multiply
    56,862.92x = 85,304.10 × 19,420.94
  4. Step 4: Simplify right side
    56,862.92x = 1,656,685,807.85
  5. Step 5: Solve for x
    x = 1,656,685,807.85/56,862.92
  6. Step 6: Final answer
    x = 29,134.73

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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.