Home / 45,172.25-67,759.47-15,186.92

Finding the Fourth Proportional to 45,172.25, 67,759.47 and 15,186.92

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Solution

The fourth proportional to 45,172.25, 67,759.47 and 15,186.92 is: 22,780.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,172.25 : 67,759.47 = 15,186.92 : x
  2. Step 2: Convert to fraction form
    45,172.25/67,759.47 = 15,186.92/x
  3. Step 3: Cross multiply
    45,172.25x = 67,759.47 × 15,186.92
  4. Step 4: Simplify right side
    45,172.25x = 1,029,057,311.34
  5. Step 5: Solve for x
    x = 1,029,057,311.34/45,172.25
  6. Step 6: Final answer
    x = 22,780.74

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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.