Home / 39,572.40-54,616.36-22,815.12

Finding the Fourth Proportional to 39,572.40, 54,616.36 and 22,815.12

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Solution

The fourth proportional to 39,572.40, 54,616.36 and 22,815.12 is: 31,488.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,572.40 : 54,616.36 = 22,815.12 : x
  2. Step 2: Convert to fraction form
    39,572.40/54,616.36 = 22,815.12/x
  3. Step 3: Cross multiply
    39,572.40x = 54,616.36 × 22,815.12
  4. Step 4: Simplify right side
    39,572.40x = 1,246,078,807.36
  5. Step 5: Solve for x
    x = 1,246,078,807.36/39,572.40
  6. Step 6: Final answer
    x = 31,488.58

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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.