Home / 31,510.01-47,248.61-9,320.39

Finding the Fourth Proportional to 31,510.01, 47,248.61 and 9,320.39

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Solution

The fourth proportional to 31,510.01, 47,248.61 and 9,320.39 is: 13,975.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,510.01 : 47,248.61 = 9,320.39 : x
  2. Step 2: Convert to fraction form
    31,510.01/47,248.61 = 9,320.39/x
  3. Step 3: Cross multiply
    31,510.01x = 47,248.61 × 9,320.39
  4. Step 4: Simplify right side
    31,510.01x = 440,375,472.16
  5. Step 5: Solve for x
    x = 440,375,472.16/31,510.01
  6. Step 6: Final answer
    x = 13,975.73

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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.