Home / 35,711.80-49,292.58-21,565.72

Finding the Fourth Proportional to 35,711.80, 49,292.58 and 21,565.72

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Solution

The fourth proportional to 35,711.80, 49,292.58 and 21,565.72 is: 29,766.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,711.80 : 49,292.58 = 21,565.72 : x
  2. Step 2: Convert to fraction form
    35,711.80/49,292.58 = 21,565.72/x
  3. Step 3: Cross multiply
    35,711.80x = 49,292.58 × 21,565.72
  4. Step 4: Simplify right side
    35,711.80x = 1,063,029,978.36
  5. Step 5: Solve for x
    x = 1,063,029,978.36/35,711.80
  6. Step 6: Final answer
    x = 29,766.91

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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.