Home / 39,444.20-54,433.29-22,449.74

Finding the Fourth Proportional to 39,444.20, 54,433.29 and 22,449.74

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Solution

The fourth proportional to 39,444.20, 54,433.29 and 22,449.74 is: 30,980.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,444.20 : 54,433.29 = 22,449.74 : x
  2. Step 2: Convert to fraction form
    39,444.20/54,433.29 = 22,449.74/x
  3. Step 3: Cross multiply
    39,444.20x = 54,433.29 × 22,449.74
  4. Step 4: Simplify right side
    39,444.20x = 1,222,013,207.84
  5. Step 5: Solve for x
    x = 1,222,013,207.84/39,444.20
  6. Step 6: Final answer
    x = 30,980.81

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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.