Home / 31,541.97-47,311.10-11,818.88

Finding the Fourth Proportional to 31,541.97, 47,311.10 and 11,818.88

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Solution

The fourth proportional to 31,541.97, 47,311.10 and 11,818.88 is: 17,727.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,541.97 : 47,311.10 = 11,818.88 : x
  2. Step 2: Convert to fraction form
    31,541.97/47,311.10 = 11,818.88/x
  3. Step 3: Cross multiply
    31,541.97x = 47,311.10 × 11,818.88
  4. Step 4: Simplify right side
    31,541.97x = 559,163,917.92
  5. Step 5: Solve for x
    x = 559,163,917.92/31,541.97
  6. Step 6: Final answer
    x = 17,727.62

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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.