Home / 31,357.28-47,005.68-10,569.44

Finding the Fourth Proportional to 31,357.28, 47,005.68 and 10,569.44

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Solution

The fourth proportional to 31,357.28, 47,005.68 and 10,569.44 is: 15,843.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,357.28 : 47,005.68 = 10,569.44 : x
  2. Step 2: Convert to fraction form
    31,357.28/47,005.68 = 10,569.44/x
  3. Step 3: Cross multiply
    31,357.28x = 47,005.68 × 10,569.44
  4. Step 4: Simplify right side
    31,357.28x = 496,823,714.42
  5. Step 5: Solve for x
    x = 496,823,714.42/31,357.28
  6. Step 6: Final answer
    x = 15,843.97

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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.