Home / 39,275.99-54,201.79-22,281.38

Finding the Fourth Proportional to 39,275.99, 54,201.79 and 22,281.38

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Solution

The fourth proportional to 39,275.99, 54,201.79 and 22,281.38 is: 30,748.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,275.99 : 54,201.79 = 22,281.38 : x
  2. Step 2: Convert to fraction form
    39,275.99/54,201.79 = 22,281.38/x
  3. Step 3: Cross multiply
    39,275.99x = 54,201.79 × 22,281.38
  4. Step 4: Simplify right side
    39,275.99x = 1,207,690,639.77
  5. Step 5: Solve for x
    x = 1,207,690,639.77/39,275.99
  6. Step 6: Final answer
    x = 30,748.83

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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.