Home / 36,812.10-55,218.64-10,517.70

Finding the Fourth Proportional to 36,812.10, 55,218.64 and 10,517.70

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Solution

The fourth proportional to 36,812.10, 55,218.64 and 10,517.70 is: 15,776.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,812.10 : 55,218.64 = 10,517.70 : x
  2. Step 2: Convert to fraction form
    36,812.10/55,218.64 = 10,517.70/x
  3. Step 3: Cross multiply
    36,812.10x = 55,218.64 × 10,517.70
  4. Step 4: Simplify right side
    36,812.10x = 580,773,089.93
  5. Step 5: Solve for x
    x = 580,773,089.93/36,812.10
  6. Step 6: Final answer
    x = 15,776.69

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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.