Home / 51,275.40-76,802.38-50,020.61

Finding the Fourth Proportional to 51,275.40, 76,802.38 and 50,020.61

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Solution

The fourth proportional to 51,275.40, 76,802.38 and 50,020.61 is: 74,922.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,275.40 : 76,802.38 = 50,020.61 : x
  2. Step 2: Convert to fraction form
    51,275.40/76,802.38 = 50,020.61/x
  3. Step 3: Cross multiply
    51,275.40x = 76,802.38 × 50,020.61
  4. Step 4: Simplify right side
    51,275.40x = 3,841,701,625.78
  5. Step 5: Solve for x
    x = 3,841,701,625.78/51,275.40
  6. Step 6: Final answer
    x = 74,922.90

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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.