Home / 31,818.80-47,728.20-11,044.40

Finding the Fourth Proportional to 31,818.80, 47,728.20 and 11,044.40

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Solution

The fourth proportional to 31,818.80, 47,728.20 and 11,044.40 is: 16,566.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,818.80 : 47,728.20 = 11,044.40 : x
  2. Step 2: Convert to fraction form
    31,818.80/47,728.20 = 11,044.40/x
  3. Step 3: Cross multiply
    31,818.80x = 47,728.20 × 11,044.40
  4. Step 4: Simplify right side
    31,818.80x = 527,129,332.08
  5. Step 5: Solve for x
    x = 527,129,332.08/31,818.80
  6. Step 6: Final answer
    x = 16,566.60

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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.