Home / 52,632.13-72,631.48-28,758.30

Finding the Fourth Proportional to 52,632.13, 72,631.48 and 28,758.30

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Solution

The fourth proportional to 52,632.13, 72,631.48 and 28,758.30 is: 39,685.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,632.13 : 72,631.48 = 28,758.30 : x
  2. Step 2: Convert to fraction form
    52,632.13/72,631.48 = 28,758.30/x
  3. Step 3: Cross multiply
    52,632.13x = 72,631.48 × 28,758.30
  4. Step 4: Simplify right side
    52,632.13x = 2,088,757,891.28
  5. Step 5: Solve for x
    x = 2,088,757,891.28/52,632.13
  6. Step 6: Final answer
    x = 39,685.98

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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.