Home / 52,675.20-78,897.60-31,862.40

Finding the Fourth Proportional to 52,675.20, 78,897.60 and 31,862.40

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Solution

The fourth proportional to 52,675.20, 78,897.60 and 31,862.40 is: 47,723.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,675.20 : 78,897.60 = 31,862.40 : x
  2. Step 2: Convert to fraction form
    52,675.20/78,897.60 = 31,862.40/x
  3. Step 3: Cross multiply
    52,675.20x = 78,897.60 × 31,862.40
  4. Step 4: Simplify right side
    52,675.20x = 2,513,866,890.24
  5. Step 5: Solve for x
    x = 2,513,866,890.24/52,675.20
  6. Step 6: Final answer
    x = 47,723.92

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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.