Home / 45,099.32-67,612.52-18,823.73

Finding the Fourth Proportional to 45,099.32, 67,612.52 and 18,823.73

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Solution

The fourth proportional to 45,099.32, 67,612.52 and 18,823.73 is: 28,220.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,099.32 : 67,612.52 = 18,823.73 : x
  2. Step 2: Convert to fraction form
    45,099.32/67,612.52 = 18,823.73/x
  3. Step 3: Cross multiply
    45,099.32x = 67,612.52 × 18,823.73
  4. Step 4: Simplify right side
    45,099.32x = 1,272,719,530.10
  5. Step 5: Solve for x
    x = 1,272,719,530.10/45,099.32
  6. Step 6: Final answer
    x = 28,220.37

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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.