Home / 31,472.24-47,173.80-10,680.08

Finding the Fourth Proportional to 31,472.24, 47,173.80 and 10,680.08

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Solution

The fourth proportional to 31,472.24, 47,173.80 and 10,680.08 is: 16,008.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,472.24 : 47,173.80 = 10,680.08 : x
  2. Step 2: Convert to fraction form
    31,472.24/47,173.80 = 10,680.08/x
  3. Step 3: Cross multiply
    31,472.24x = 47,173.80 × 10,680.08
  4. Step 4: Simplify right side
    31,472.24x = 503,819,957.90
  5. Step 5: Solve for x
    x = 503,819,957.90/31,472.24
  6. Step 6: Final answer
    x = 16,008.39

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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.