Home / 31,532.40-47,159.20-28,046.88

Finding the Fourth Proportional to 31,532.40, 47,159.20 and 28,046.88

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Solution

The fourth proportional to 31,532.40, 47,159.20 and 28,046.88 is: 41,946.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,532.40 : 47,159.20 = 28,046.88 : x
  2. Step 2: Convert to fraction form
    31,532.40/47,159.20 = 28,046.88/x
  3. Step 3: Cross multiply
    31,532.40x = 47,159.20 × 28,046.88
  4. Step 4: Simplify right side
    31,532.40x = 1,322,668,423.30
  5. Step 5: Solve for x
    x = 1,322,668,423.30/31,532.40
  6. Step 6: Final answer
    x = 41,946.33

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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.