Home / 45,280.30-67,905.09-15,691.24

Finding the Fourth Proportional to 45,280.30, 67,905.09 and 15,691.24

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Solution

The fourth proportional to 45,280.30, 67,905.09 and 15,691.24 is: 23,531.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,280.30 : 67,905.09 = 15,691.24 : x
  2. Step 2: Convert to fraction form
    45,280.30/67,905.09 = 15,691.24/x
  3. Step 3: Cross multiply
    45,280.30x = 67,905.09 × 15,691.24
  4. Step 4: Simplify right side
    45,280.30x = 1,065,515,064.41
  5. Step 5: Solve for x
    x = 1,065,515,064.41/45,280.30
  6. Step 6: Final answer
    x = 23,531.54

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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.