Home / 32,131.92-48,191.40-8,756.40

Finding the Fourth Proportional to 32,131.92, 48,191.40 and 8,756.40

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Solution

The fourth proportional to 32,131.92, 48,191.40 and 8,756.40 is: 13,132.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,131.92 : 48,191.40 = 8,756.40 : x
  2. Step 2: Convert to fraction form
    32,131.92/48,191.40 = 8,756.40/x
  3. Step 3: Cross multiply
    32,131.92x = 48,191.40 × 8,756.40
  4. Step 4: Simplify right side
    32,131.92x = 421,983,174.96
  5. Step 5: Solve for x
    x = 421,983,174.96/32,131.92
  6. Step 6: Final answer
    x = 13,132.83

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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.