Home / 20,132.42-30,200.11-5,341.01

Finding the Fourth Proportional to 20,132.42, 30,200.11 and 5,341.01

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Solution

The fourth proportional to 20,132.42, 30,200.11 and 5,341.01 is: 8,011.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,132.42 : 30,200.11 = 5,341.01 : x
  2. Step 2: Convert to fraction form
    20,132.42/30,200.11 = 5,341.01/x
  3. Step 3: Cross multiply
    20,132.42x = 30,200.11 × 5,341.01
  4. Step 4: Simplify right side
    20,132.42x = 161,298,925.16
  5. Step 5: Solve for x
    x = 161,298,925.16/20,132.42
  6. Step 6: Final answer
    x = 8,011.90

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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.