Home / 39,384.11-54,347.90-22,385.99

Finding the Fourth Proportional to 39,384.11, 54,347.90 and 22,385.99

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Solution

The fourth proportional to 39,384.11, 54,347.90 and 22,385.99 is: 30,891.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,384.11 : 54,347.90 = 22,385.99 : x
  2. Step 2: Convert to fraction form
    39,384.11/54,347.90 = 22,385.99/x
  3. Step 3: Cross multiply
    39,384.11x = 54,347.90 × 22,385.99
  4. Step 4: Simplify right side
    39,384.11x = 1,216,631,330.15
  5. Step 5: Solve for x
    x = 1,216,631,330.15/39,384.11
  6. Step 6: Final answer
    x = 30,891.43

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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.