Home / 67,118.79-92,624.10-38,438.91

Finding the Fourth Proportional to 67,118.79, 92,624.10 and 38,438.91

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Solution

The fourth proportional to 67,118.79, 92,624.10 and 38,438.91 is: 53,045.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,118.79 : 92,624.10 = 38,438.91 : x
  2. Step 2: Convert to fraction form
    67,118.79/92,624.10 = 38,438.91/x
  3. Step 3: Cross multiply
    67,118.79x = 92,624.10 × 38,438.91
  4. Step 4: Simplify right side
    67,118.79x = 3,560,369,443.73
  5. Step 5: Solve for x
    x = 3,560,369,443.73/67,118.79
  6. Step 6: Final answer
    x = 53,045.79

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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.