Home / 39,646.24-54,711.36-22,878.88

Finding the Fourth Proportional to 39,646.24, 54,711.36 and 22,878.88

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Solution

The fourth proportional to 39,646.24, 54,711.36 and 22,878.88 is: 31,572.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,646.24 : 54,711.36 = 22,878.88 : x
  2. Step 2: Convert to fraction form
    39,646.24/54,711.36 = 22,878.88/x
  3. Step 3: Cross multiply
    39,646.24x = 54,711.36 × 22,878.88
  4. Step 4: Simplify right side
    39,646.24x = 1,251,734,640.08
  5. Step 5: Solve for x
    x = 1,251,734,640.08/39,646.24
  6. Step 6: Final answer
    x = 31,572.59

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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.