Home / 31,535.38-47,277.42-11,802.88

Finding the Fourth Proportional to 31,535.38, 47,277.42 and 11,802.88

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Solution

The fourth proportional to 31,535.38, 47,277.42 and 11,802.88 is: 17,694.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,535.38 : 47,277.42 = 11,802.88 : x
  2. Step 2: Convert to fraction form
    31,535.38/47,277.42 = 11,802.88/x
  3. Step 3: Cross multiply
    31,535.38x = 47,277.42 × 11,802.88
  4. Step 4: Simplify right side
    31,535.38x = 558,009,714.97
  5. Step 5: Solve for x
    x = 558,009,714.97/31,535.38
  6. Step 6: Final answer
    x = 17,694.72

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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.