Home / 38,218.50-52,744.68-21,223.80

Finding the Fourth Proportional to 38,218.50, 52,744.68 and 21,223.80

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Solution

The fourth proportional to 38,218.50, 52,744.68 and 21,223.80 is: 29,290.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,218.50 : 52,744.68 = 21,223.80 : x
  2. Step 2: Convert to fraction form
    38,218.50/52,744.68 = 21,223.80/x
  3. Step 3: Cross multiply
    38,218.50x = 52,744.68 × 21,223.80
  4. Step 4: Simplify right side
    38,218.50x = 1,119,442,539.38
  5. Step 5: Solve for x
    x = 1,119,442,539.38/38,218.50
  6. Step 6: Final answer
    x = 29,290.59

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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.