Home / 36,012.11-54,020.18-9,718.90

Finding the Fourth Proportional to 36,012.11, 54,020.18 and 9,718.90

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Solution

The fourth proportional to 36,012.11, 54,020.18 and 9,718.90 is: 14,578.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,012.11 : 54,020.18 = 9,718.90 : x
  2. Step 2: Convert to fraction form
    36,012.11/54,020.18 = 9,718.90/x
  3. Step 3: Cross multiply
    36,012.11x = 54,020.18 × 9,718.90
  4. Step 4: Simplify right side
    36,012.11x = 525,016,616.65
  5. Step 5: Solve for x
    x = 525,016,616.65/36,012.11
  6. Step 6: Final answer
    x = 14,578.89

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1.5x scale

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.