Home / 51,792.60-77,309.30-47,988.89

Finding the Fourth Proportional to 51,792.60, 77,309.30 and 47,988.89

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Solution

The fourth proportional to 51,792.60, 77,309.30 and 47,988.89 is: 71,631.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,792.60 : 77,309.30 = 47,988.89 : x
  2. Step 2: Convert to fraction form
    51,792.60/77,309.30 = 47,988.89/x
  3. Step 3: Cross multiply
    51,792.60x = 77,309.30 × 47,988.89
  4. Step 4: Simplify right side
    51,792.60x = 3,709,987,493.68
  5. Step 5: Solve for x
    x = 3,709,987,493.68/51,792.60
  6. Step 6: Final answer
    x = 71,631.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.