Home / 51,724.29-77,620.46-28,367.13

Finding the Fourth Proportional to 51,724.29, 77,620.46 and 28,367.13

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Solution

The fourth proportional to 51,724.29, 77,620.46 and 28,367.13 is: 42,569.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,724.29 : 77,620.46 = 28,367.13 : x
  2. Step 2: Convert to fraction form
    51,724.29/77,620.46 = 28,367.13/x
  3. Step 3: Cross multiply
    51,724.29x = 77,620.46 × 28,367.13
  4. Step 4: Simplify right side
    51,724.29x = 2,201,869,537.64
  5. Step 5: Solve for x
    x = 2,201,869,537.64/51,724.29
  6. Step 6: Final answer
    x = 42,569.35

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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.