Home / 52,490.30-72,435.15-28,616.97

Finding the Fourth Proportional to 52,490.30, 72,435.15 and 28,616.97

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Solution

The fourth proportional to 52,490.30, 72,435.15 and 28,616.97 is: 39,490.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,490.30 : 72,435.15 = 28,616.97 : x
  2. Step 2: Convert to fraction form
    52,490.30/72,435.15 = 28,616.97/x
  3. Step 3: Cross multiply
    52,490.30x = 72,435.15 × 28,616.97
  4. Step 4: Simplify right side
    52,490.30x = 2,072,874,514.50
  5. Step 5: Solve for x
    x = 2,072,874,514.50/52,490.30
  6. Step 6: Final answer
    x = 39,490.62

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1.5x scale

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.