Home / 34,877.32-48,131.20-18,961.80

Finding the Fourth Proportional to 34,877.32, 48,131.20 and 18,961.80

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Solution

The fourth proportional to 34,877.32, 48,131.20 and 18,961.80 is: 26,167.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,877.32 : 48,131.20 = 18,961.80 : x
  2. Step 2: Convert to fraction form
    34,877.32/48,131.20 = 18,961.80/x
  3. Step 3: Cross multiply
    34,877.32x = 48,131.20 × 18,961.80
  4. Step 4: Simplify right side
    34,877.32x = 912,654,188.16
  5. Step 5: Solve for x
    x = 912,654,188.16/34,877.32
  6. Step 6: Final answer
    x = 26,167.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.