Home / 50,186.08-69,251.76-28,972.16

Finding the Fourth Proportional to 50,186.08, 69,251.76 and 28,972.16

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Solution

The fourth proportional to 50,186.08, 69,251.76 and 28,972.16 is: 39,978.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,186.08 : 69,251.76 = 28,972.16 : x
  2. Step 2: Convert to fraction form
    50,186.08/69,251.76 = 28,972.16/x
  3. Step 3: Cross multiply
    50,186.08x = 69,251.76 × 28,972.16
  4. Step 4: Simplify right side
    50,186.08x = 2,006,373,071.00
  5. Step 5: Solve for x
    x = 2,006,373,071.00/50,186.08
  6. Step 6: Final answer
    x = 39,978.68

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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.