Home / 53,932.28-80,934.86-18,872.24

Finding the Fourth Proportional to 53,932.28, 80,934.86 and 18,872.24

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Solution

The fourth proportional to 53,932.28, 80,934.86 and 18,872.24 is: 28,321.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,932.28 : 80,934.86 = 18,872.24 : x
  2. Step 2: Convert to fraction form
    53,932.28/80,934.86 = 18,872.24/x
  3. Step 3: Cross multiply
    53,932.28x = 80,934.86 × 18,872.24
  4. Step 4: Simplify right side
    53,932.28x = 1,527,421,697.61
  5. Step 5: Solve for x
    x = 1,527,421,697.61/53,932.28
  6. Step 6: Final answer
    x = 28,321.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.