Home / 51,486.93-77,084.76-32,720.43

Finding the Fourth Proportional to 51,486.93, 77,084.76 and 32,720.43

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Solution

The fourth proportional to 51,486.93, 77,084.76 and 32,720.43 is: 48,988.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,486.93 : 77,084.76 = 32,720.43 : x
  2. Step 2: Convert to fraction form
    51,486.93/77,084.76 = 32,720.43/x
  3. Step 3: Cross multiply
    51,486.93x = 77,084.76 × 32,720.43
  4. Step 4: Simplify right side
    51,486.93x = 2,522,246,493.65
  5. Step 5: Solve for x
    x = 2,522,246,493.65/51,486.93
  6. Step 6: Final answer
    x = 48,988.09

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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.