Home / 29,155.68-40,260.24-22,857.12

Finding the Fourth Proportional to 29,155.68, 40,260.24 and 22,857.12

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Solution

The fourth proportional to 29,155.68, 40,260.24 and 22,857.12 is: 31,562.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,155.68 : 40,260.24 = 22,857.12 : x
  2. Step 2: Convert to fraction form
    29,155.68/40,260.24 = 22,857.12/x
  3. Step 3: Cross multiply
    29,155.68x = 40,260.24 × 22,857.12
  4. Step 4: Simplify right side
    29,155.68x = 920,233,136.91
  5. Step 5: Solve for x
    x = 920,233,136.91/29,155.68
  6. Step 6: Final answer
    x = 31,562.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.