Home / 31,424.40-47,097.72-15,833.52

Finding the Fourth Proportional to 31,424.40, 47,097.72 and 15,833.52

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Solution

The fourth proportional to 31,424.40, 47,097.72 and 15,833.52 is: 23,730.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,424.40 : 47,097.72 = 15,833.52 : x
  2. Step 2: Convert to fraction form
    31,424.40/47,097.72 = 15,833.52/x
  3. Step 3: Cross multiply
    31,424.40x = 47,097.72 × 15,833.52
  4. Step 4: Simplify right side
    31,424.40x = 745,722,691.57
  5. Step 5: Solve for x
    x = 745,722,691.57/31,424.40
  6. Step 6: Final answer
    x = 23,730.69

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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.