Home / 39,494.40-54,501.30-21,589.49

Finding the Fourth Proportional to 39,494.40, 54,501.30 and 21,589.49

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Solution

The fourth proportional to 39,494.40, 54,501.30 and 21,589.49 is: 29,792.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,494.40 : 54,501.30 = 21,589.49 : x
  2. Step 2: Convert to fraction form
    39,494.40/54,501.30 = 21,589.49/x
  3. Step 3: Cross multiply
    39,494.40x = 54,501.30 × 21,589.49
  4. Step 4: Simplify right side
    39,494.40x = 1,176,654,998.83
  5. Step 5: Solve for x
    x = 1,176,654,998.83/39,494.40
  6. Step 6: Final answer
    x = 29,792.96

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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.