Home / 32,129.10-48,200.85-12,405.90

Finding the Fourth Proportional to 32,129.10, 48,200.85 and 12,405.90

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Solution

The fourth proportional to 32,129.10, 48,200.85 and 12,405.90 is: 18,611.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,129.10 : 48,200.85 = 12,405.90 : x
  2. Step 2: Convert to fraction form
    32,129.10/48,200.85 = 12,405.90/x
  3. Step 3: Cross multiply
    32,129.10x = 48,200.85 × 12,405.90
  4. Step 4: Simplify right side
    32,129.10x = 597,974,925.02
  5. Step 5: Solve for x
    x = 597,974,925.02/32,129.10
  6. Step 6: Final answer
    x = 18,611.63

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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.