Home / 31,548.48-47,319.04-8,173.12

Finding the Fourth Proportional to 31,548.48, 47,319.04 and 8,173.12

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Solution

The fourth proportional to 31,548.48, 47,319.04 and 8,173.12 is: 12,258.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,548.48 : 47,319.04 = 8,173.12 : x
  2. Step 2: Convert to fraction form
    31,548.48/47,319.04 = 8,173.12/x
  3. Step 3: Cross multiply
    31,548.48x = 47,319.04 × 8,173.12
  4. Step 4: Simplify right side
    31,548.48x = 386,744,192.20
  5. Step 5: Solve for x
    x = 386,744,192.20/31,548.48
  6. Step 6: Final answer
    x = 12,258.73

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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.