Home / 39,287.38-54,222.30-22,061.68

Finding the Fourth Proportional to 39,287.38, 54,222.30 and 22,061.68

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Solution

The fourth proportional to 39,287.38, 54,222.30 and 22,061.68 is: 30,448.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,287.38 : 54,222.30 = 22,061.68 : x
  2. Step 2: Convert to fraction form
    39,287.38/54,222.30 = 22,061.68/x
  3. Step 3: Cross multiply
    39,287.38x = 54,222.30 × 22,061.68
  4. Step 4: Simplify right side
    39,287.38x = 1,196,235,031.46
  5. Step 5: Solve for x
    x = 1,196,235,031.46/39,287.38
  6. Step 6: Final answer
    x = 30,448.33

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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.