Home / 31,818.41-47,727.15-10,753.95

Finding the Fourth Proportional to 31,818.41, 47,727.15 and 10,753.95

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Solution

The fourth proportional to 31,818.41, 47,727.15 and 10,753.95 is: 16,130.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,818.41 : 47,727.15 = 10,753.95 : x
  2. Step 2: Convert to fraction form
    31,818.41/47,727.15 = 10,753.95/x
  3. Step 3: Cross multiply
    31,818.41x = 47,727.15 × 10,753.95
  4. Step 4: Simplify right side
    31,818.41x = 513,255,384.74
  5. Step 5: Solve for x
    x = 513,255,384.74/31,818.41
  6. Step 6: Final answer
    x = 16,130.77

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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.