Home / 39,358.14-59,045.45-21,791.13

Finding the Fourth Proportional to 39,358.14, 59,045.45 and 21,791.13

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Solution

The fourth proportional to 39,358.14, 59,045.45 and 21,791.13 is: 32,691.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,358.14 : 59,045.45 = 21,791.13 : x
  2. Step 2: Convert to fraction form
    39,358.14/59,045.45 = 21,791.13/x
  3. Step 3: Cross multiply
    39,358.14x = 59,045.45 × 21,791.13
  4. Step 4: Simplify right side
    39,358.14x = 1,286,666,967.90
  5. Step 5: Solve for x
    x = 1,286,666,967.90/39,358.14
  6. Step 6: Final answer
    x = 32,691.25

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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.