Home / 40,937.50-61,406.25-16,330.78

Finding the Fourth Proportional to 40,937.50, 61,406.25 and 16,330.78

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Solution

The fourth proportional to 40,937.50, 61,406.25 and 16,330.78 is: 24,496.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,937.50 : 61,406.25 = 16,330.78 : x
  2. Step 2: Convert to fraction form
    40,937.50/61,406.25 = 16,330.78/x
  3. Step 3: Cross multiply
    40,937.50x = 61,406.25 × 16,330.78
  4. Step 4: Simplify right side
    40,937.50x = 1,002,811,959.38
  5. Step 5: Solve for x
    x = 1,002,811,959.38/40,937.50
  6. Step 6: Final answer
    x = 24,496.17

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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.