Home / 48,660.11-67,108.99-31,658.14

Finding the Fourth Proportional to 48,660.11, 67,108.99 and 31,658.14

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Solution

The fourth proportional to 48,660.11, 67,108.99 and 31,658.14 is: 43,660.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,660.11 : 67,108.99 = 31,658.14 : x
  2. Step 2: Convert to fraction form
    48,660.11/67,108.99 = 31,658.14/x
  3. Step 3: Cross multiply
    48,660.11x = 67,108.99 × 31,658.14
  4. Step 4: Simplify right side
    48,660.11x = 2,124,545,306.84
  5. Step 5: Solve for x
    x = 2,124,545,306.84/48,660.11
  6. Step 6: Final answer
    x = 43,660.93

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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.