Home / 51,248.18-76,865.91-13,811.18

Finding the Fourth Proportional to 51,248.18, 76,865.91 and 13,811.18

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Solution

The fourth proportional to 51,248.18, 76,865.91 and 13,811.18 is: 20,715.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,248.18 : 76,865.91 = 13,811.18 : x
  2. Step 2: Convert to fraction form
    51,248.18/76,865.91 = 13,811.18/x
  3. Step 3: Cross multiply
    51,248.18x = 76,865.91 × 13,811.18
  4. Step 4: Simplify right side
    51,248.18x = 1,061,608,918.87
  5. Step 5: Solve for x
    x = 1,061,608,918.87/51,248.18
  6. Step 6: Final answer
    x = 20,715.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.