Home / 51,928.40-71,670.52-49,561.88

Finding the Fourth Proportional to 51,928.40, 71,670.52 and 49,561.88

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Solution

The fourth proportional to 51,928.40, 71,670.52 and 49,561.88 is: 68,404.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,928.40 : 71,670.52 = 49,561.88 : x
  2. Step 2: Convert to fraction form
    51,928.40/71,670.52 = 49,561.88/x
  3. Step 3: Cross multiply
    51,928.40x = 71,670.52 × 49,561.88
  4. Step 4: Simplify right side
    51,928.40x = 3,552,125,767.05
  5. Step 5: Solve for x
    x = 3,552,125,767.05/51,928.40
  6. Step 6: Final answer
    x = 68,404.30

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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.