Home / 45,320.10-67,989.60-13,732.44

Finding the Fourth Proportional to 45,320.10, 67,989.60 and 13,732.44

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Solution

The fourth proportional to 45,320.10, 67,989.60 and 13,732.44 is: 20,601.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,320.10 : 67,989.60 = 13,732.44 : x
  2. Step 2: Convert to fraction form
    45,320.10/67,989.60 = 13,732.44/x
  3. Step 3: Cross multiply
    45,320.10x = 67,989.60 × 13,732.44
  4. Step 4: Simplify right side
    45,320.10x = 933,663,102.62
  5. Step 5: Solve for x
    x = 933,663,102.62/45,320.10
  6. Step 6: Final answer
    x = 20,601.52

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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.