Home / 39,599.16-54,646.68-21,694.14

Finding the Fourth Proportional to 39,599.16, 54,646.68 and 21,694.14

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Solution

The fourth proportional to 39,599.16, 54,646.68 and 21,694.14 is: 29,937.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,599.16 : 54,646.68 = 21,694.14 : x
  2. Step 2: Convert to fraction form
    39,599.16/54,646.68 = 21,694.14/x
  3. Step 3: Cross multiply
    39,599.16x = 54,646.68 × 21,694.14
  4. Step 4: Simplify right side
    39,599.16x = 1,185,512,726.46
  5. Step 5: Solve for x
    x = 1,185,512,726.46/39,599.16
  6. Step 6: Final answer
    x = 29,937.83

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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.