Home / 45,122.91-67,683.54-15,540.09

Finding the Fourth Proportional to 45,122.91, 67,683.54 and 15,540.09

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Solution

The fourth proportional to 45,122.91, 67,683.54 and 15,540.09 is: 23,309.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,122.91 : 67,683.54 = 15,540.09 : x
  2. Step 2: Convert to fraction form
    45,122.91/67,683.54 = 15,540.09/x
  3. Step 3: Cross multiply
    45,122.91x = 67,683.54 × 15,540.09
  4. Step 4: Simplify right side
    45,122.91x = 1,051,808,303.12
  5. Step 5: Solve for x
    x = 1,051,808,303.12/45,122.91
  6. Step 6: Final answer
    x = 23,309.85

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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.