Home / 40,231.42-60,358.04-12,152.40

Finding the Fourth Proportional to 40,231.42, 60,358.04 and 12,152.40

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Solution

The fourth proportional to 40,231.42, 60,358.04 and 12,152.40 is: 18,231.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,231.42 : 60,358.04 = 12,152.40 : x
  2. Step 2: Convert to fraction form
    40,231.42/60,358.04 = 12,152.40/x
  3. Step 3: Cross multiply
    40,231.42x = 60,358.04 × 12,152.40
  4. Step 4: Simplify right side
    40,231.42x = 733,495,045.30
  5. Step 5: Solve for x
    x = 733,495,045.30/40,231.42
  6. Step 6: Final answer
    x = 18,231.90

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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.