Home / 39,410.16-54,387.57-22,415.95

Finding the Fourth Proportional to 39,410.16, 54,387.57 and 22,415.95

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Solution

The fourth proportional to 39,410.16, 54,387.57 and 22,415.95 is: 30,934.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,410.16 : 54,387.57 = 22,415.95 : x
  2. Step 2: Convert to fraction form
    39,410.16/54,387.57 = 22,415.95/x
  3. Step 3: Cross multiply
    39,410.16x = 54,387.57 × 22,415.95
  4. Step 4: Simplify right side
    39,410.16x = 1,219,149,049.74
  5. Step 5: Solve for x
    x = 1,219,149,049.74/39,410.16
  6. Step 6: Final answer
    x = 30,934.89

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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.