Home / 31,892.10-47,838.15-11,110.74

Finding the Fourth Proportional to 31,892.10, 47,838.15 and 11,110.74

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Solution

The fourth proportional to 31,892.10, 47,838.15 and 11,110.74 is: 16,666.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,892.10 : 47,838.15 = 11,110.74 : x
  2. Step 2: Convert to fraction form
    31,892.10/47,838.15 = 11,110.74/x
  3. Step 3: Cross multiply
    31,892.10x = 47,838.15 × 11,110.74
  4. Step 4: Simplify right side
    31,892.10x = 531,517,246.73
  5. Step 5: Solve for x
    x = 531,517,246.73/31,892.10
  6. Step 6: Final answer
    x = 16,666.11

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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.