Home / 32,002.20-48,003.30-18,178.20

Finding the Fourth Proportional to 32,002.20, 48,003.30 and 18,178.20

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Solution

The fourth proportional to 32,002.20, 48,003.30 and 18,178.20 is: 27,267.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,002.20 : 48,003.30 = 18,178.20 : x
  2. Step 2: Convert to fraction form
    32,002.20/48,003.30 = 18,178.20/x
  3. Step 3: Cross multiply
    32,002.20x = 48,003.30 × 18,178.20
  4. Step 4: Simplify right side
    32,002.20x = 872,613,588.06
  5. Step 5: Solve for x
    x = 872,613,588.06/32,002.20
  6. Step 6: Final answer
    x = 27,267.30

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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.