Home / 39,251-54,166.38-22,485.08

Finding the Fourth Proportional to 39,251, 54,166.38 and 22,485.08

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Solution

The fourth proportional to 39,251, 54,166.38 and 22,485.08 is: 31,029.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,251 : 54,166.38 = 22,485.08 : x
  2. Step 2: Convert to fraction form
    39,251/54,166.38 = 22,485.08/x
  3. Step 3: Cross multiply
    39,251x = 54,166.38 × 22,485.08
  4. Step 4: Simplify right side
    39,251x = 1,217,935,387.61
  5. Step 5: Solve for x
    x = 1,217,935,387.61/39,251
  6. Step 6: Final answer
    x = 31,029.41

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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.