Home / 31,612.35-47,418.16-18,276.85

Finding the Fourth Proportional to 31,612.35, 47,418.16 and 18,276.85

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Solution

The fourth proportional to 31,612.35, 47,418.16 and 18,276.85 is: 27,415.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,612.35 : 47,418.16 = 18,276.85 : x
  2. Step 2: Convert to fraction form
    31,612.35/47,418.16 = 18,276.85/x
  3. Step 3: Cross multiply
    31,612.35x = 47,418.16 × 18,276.85
  4. Step 4: Simplify right side
    31,612.35x = 866,654,597.60
  5. Step 5: Solve for x
    x = 866,654,597.60/31,612.35
  6. Step 6: Final answer
    x = 27,415.06

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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.