Home / 39,505.30-54,522.33-22,515.65

Finding the Fourth Proportional to 39,505.30, 54,522.33 and 22,515.65

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Solution

The fourth proportional to 39,505.30, 54,522.33 and 22,515.65 is: 31,074.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,505.30 : 54,522.33 = 22,515.65 : x
  2. Step 2: Convert to fraction form
    39,505.30/54,522.33 = 22,515.65/x
  3. Step 3: Cross multiply
    39,505.30x = 54,522.33 × 22,515.65
  4. Step 4: Simplify right side
    39,505.30x = 1,227,605,546.88
  5. Step 5: Solve for x
    x = 1,227,605,546.88/39,505.30
  6. Step 6: Final answer
    x = 31,074.45

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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.