Home / 35,696.61-53,545.47-13,520.43

Finding the Fourth Proportional to 35,696.61, 53,545.47 and 13,520.43

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Solution

The fourth proportional to 35,696.61, 53,545.47 and 13,520.43 is: 20,280.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,696.61 : 53,545.47 = 13,520.43 : x
  2. Step 2: Convert to fraction form
    35,696.61/53,545.47 = 13,520.43/x
  3. Step 3: Cross multiply
    35,696.61x = 53,545.47 × 13,520.43
  4. Step 4: Simplify right side
    35,696.61x = 723,957,778.95
  5. Step 5: Solve for x
    x = 723,957,778.95/35,696.61
  6. Step 6: Final answer
    x = 20,280.86

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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.