Home / 52,616.10-72,611.78-28,743.17

Finding the Fourth Proportional to 52,616.10, 72,611.78 and 28,743.17

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Solution

The fourth proportional to 52,616.10, 72,611.78 and 28,743.17 is: 39,666.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,616.10 : 72,611.78 = 28,743.17 : x
  2. Step 2: Convert to fraction form
    52,616.10/72,611.78 = 28,743.17/x
  3. Step 3: Cross multiply
    52,616.10x = 72,611.78 × 28,743.17
  4. Step 4: Simplify right side
    52,616.10x = 2,087,092,736.54
  5. Step 5: Solve for x
    x = 2,087,092,736.54/52,616.10
  6. Step 6: Final answer
    x = 39,666.43

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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.