Home / 39,443.70-54,432.60-22,449.24

Finding the Fourth Proportional to 39,443.70, 54,432.60 and 22,449.24

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Solution

The fourth proportional to 39,443.70, 54,432.60 and 22,449.24 is: 30,980.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,443.70 : 54,432.60 = 22,449.24 : x
  2. Step 2: Convert to fraction form
    39,443.70/54,432.60 = 22,449.24/x
  3. Step 3: Cross multiply
    39,443.70x = 54,432.60 × 22,449.24
  4. Step 4: Simplify right side
    39,443.70x = 1,221,970,381.29
  5. Step 5: Solve for x
    x = 1,221,970,381.29/39,443.70
  6. Step 6: Final answer
    x = 30,980.12

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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.