Home / 23,178.11-34,700.91-21,706.79

Finding the Fourth Proportional to 23,178.11, 34,700.91 and 21,706.79

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Solution

The fourth proportional to 23,178.11, 34,700.91 and 21,706.79 is: 32,498.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,178.11 : 34,700.91 = 21,706.79 : x
  2. Step 2: Convert to fraction form
    23,178.11/34,700.91 = 21,706.79/x
  3. Step 3: Cross multiply
    23,178.11x = 34,700.91 × 21,706.79
  4. Step 4: Simplify right side
    23,178.11x = 753,245,366.18
  5. Step 5: Solve for x
    x = 753,245,366.18/23,178.11
  6. Step 6: Final answer
    x = 32,498.14

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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.