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Finding the Fourth Proportional to 32,270.80, 48,399.80 and 15,630.80

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Solution

The fourth proportional to 32,270.80, 48,399.80 and 15,630.80 is: 23,443.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,270.80 : 48,399.80 = 15,630.80 : x
  2. Step 2: Convert to fraction form
    32,270.80/48,399.80 = 15,630.80/x
  3. Step 3: Cross multiply
    32,270.80x = 48,399.80 × 15,630.80
  4. Step 4: Simplify right side
    32,270.80x = 756,527,593.84
  5. Step 5: Solve for x
    x = 756,527,593.84/32,270.80
  6. Step 6: Final answer
    x = 23,443.10

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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.