Home / 45,127.39-67,701.46-15,145.60

Finding the Fourth Proportional to 45,127.39, 67,701.46 and 15,145.60

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Solution

The fourth proportional to 45,127.39, 67,701.46 and 15,145.60 is: 22,721.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,127.39 : 67,701.46 = 15,145.60 : x
  2. Step 2: Convert to fraction form
    45,127.39/67,701.46 = 15,145.60/x
  3. Step 3: Cross multiply
    45,127.39x = 67,701.46 × 15,145.60
  4. Step 4: Simplify right side
    45,127.39x = 1,025,379,232.58
  5. Step 5: Solve for x
    x = 1,025,379,232.58/45,127.39
  6. Step 6: Final answer
    x = 22,721.88

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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.