Home / 45,035.66-67,517.03-18,760.07

Finding the Fourth Proportional to 45,035.66, 67,517.03 and 18,760.07

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Solution

The fourth proportional to 45,035.66, 67,517.03 and 18,760.07 is: 28,124.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,035.66 : 67,517.03 = 18,760.07 : x
  2. Step 2: Convert to fraction form
    45,035.66/67,517.03 = 18,760.07/x
  3. Step 3: Cross multiply
    45,035.66x = 67,517.03 × 18,760.07
  4. Step 4: Simplify right side
    45,035.66x = 1,266,624,424.68
  5. Step 5: Solve for x
    x = 1,266,624,424.68/45,035.66
  6. Step 6: Final answer
    x = 28,124.92

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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.