Home / 51,519.68-77,165.34-39,585.61

Finding the Fourth Proportional to 51,519.68, 77,165.34 and 39,585.61

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Solution

The fourth proportional to 51,519.68, 77,165.34 and 39,585.61 is: 59,290.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,519.68 : 77,165.34 = 39,585.61 : x
  2. Step 2: Convert to fraction form
    51,519.68/77,165.34 = 39,585.61/x
  3. Step 3: Cross multiply
    51,519.68x = 77,165.34 × 39,585.61
  4. Step 4: Simplify right side
    51,519.68x = 3,054,636,757.67
  5. Step 5: Solve for x
    x = 3,054,636,757.67/51,519.68
  6. Step 6: Final answer
    x = 59,290.68

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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.