Home / 47,658.47-71,488.22-14,378.83

Finding the Fourth Proportional to 47,658.47, 71,488.22 and 14,378.83

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Solution

The fourth proportional to 47,658.47, 71,488.22 and 14,378.83 is: 21,568.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,658.47 : 71,488.22 = 14,378.83 : x
  2. Step 2: Convert to fraction form
    47,658.47/71,488.22 = 14,378.83/x
  3. Step 3: Cross multiply
    47,658.47x = 71,488.22 × 14,378.83
  4. Step 4: Simplify right side
    47,658.47x = 1,027,916,711.77
  5. Step 5: Solve for x
    x = 1,027,916,711.77/47,658.47
  6. Step 6: Final answer
    x = 21,568.40

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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.