Home / 39,279.43-54,211.63-22,285.53

Finding the Fourth Proportional to 39,279.43, 54,211.63 and 22,285.53

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Solution

The fourth proportional to 39,279.43, 54,211.63 and 22,285.53 is: 30,757.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,279.43 : 54,211.63 = 22,285.53 : x
  2. Step 2: Convert to fraction form
    39,279.43/54,211.63 = 22,285.53/x
  3. Step 3: Cross multiply
    39,279.43x = 54,211.63 × 22,285.53
  4. Step 4: Simplify right side
    39,279.43x = 1,208,134,892.79
  5. Step 5: Solve for x
    x = 1,208,134,892.79/39,279.43
  6. Step 6: Final answer
    x = 30,757.44

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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.