Home / 36,639.74-54,960.56-9,985.95

Finding the Fourth Proportional to 36,639.74, 54,960.56 and 9,985.95

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Solution

The fourth proportional to 36,639.74, 54,960.56 and 9,985.95 is: 14,979.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,639.74 : 54,960.56 = 9,985.95 : x
  2. Step 2: Convert to fraction form
    36,639.74/54,960.56 = 9,985.95/x
  3. Step 3: Cross multiply
    36,639.74x = 54,960.56 × 9,985.95
  4. Step 4: Simplify right side
    36,639.74x = 548,833,391.65
  5. Step 5: Solve for x
    x = 548,833,391.65/36,639.74
  6. Step 6: Final answer
    x = 14,979.18

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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.