Home / 57,734.47-86,604.15-18,290.71

Finding the Fourth Proportional to 57,734.47, 86,604.15 and 18,290.71

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Solution

The fourth proportional to 57,734.47, 86,604.15 and 18,290.71 is: 27,436.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,734.47 : 86,604.15 = 18,290.71 : x
  2. Step 2: Convert to fraction form
    57,734.47/86,604.15 = 18,290.71/x
  3. Step 3: Cross multiply
    57,734.47x = 86,604.15 × 18,290.71
  4. Step 4: Simplify right side
    57,734.47x = 1,584,051,392.45
  5. Step 5: Solve for x
    x = 1,584,051,392.45/57,734.47
  6. Step 6: Final answer
    x = 27,436.84

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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.