Home / 45,122.66-67,683.17-15,539.84

Finding the Fourth Proportional to 45,122.66, 67,683.17 and 15,539.84

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Solution

The fourth proportional to 45,122.66, 67,683.17 and 15,539.84 is: 23,309.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,122.66 : 67,683.17 = 15,539.84 : x
  2. Step 2: Convert to fraction form
    45,122.66/67,683.17 = 15,539.84/x
  3. Step 3: Cross multiply
    45,122.66x = 67,683.17 × 15,539.84
  4. Step 4: Simplify right side
    45,122.66x = 1,051,785,216.38
  5. Step 5: Solve for x
    x = 1,051,785,216.38/45,122.66
  6. Step 6: Final answer
    x = 23,309.47

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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.