Home / 31,624.38-47,326.95-19,136.88

Finding the Fourth Proportional to 31,624.38, 47,326.95 and 19,136.88

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Solution

The fourth proportional to 31,624.38, 47,326.95 and 19,136.88 is: 28,638.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,624.38 : 47,326.95 = 19,136.88 : x
  2. Step 2: Convert to fraction form
    31,624.38/47,326.95 = 19,136.88/x
  3. Step 3: Cross multiply
    31,624.38x = 47,326.95 × 19,136.88
  4. Step 4: Simplify right side
    31,624.38x = 905,690,162.92
  5. Step 5: Solve for x
    x = 905,690,162.92/31,624.38
  6. Step 6: Final answer
    x = 28,638.99

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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.