Home / 31,447.20-47,170.92-29,870.58

Finding the Fourth Proportional to 31,447.20, 47,170.92 and 29,870.58

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Solution

The fourth proportional to 31,447.20, 47,170.92 and 29,870.58 is: 44,805.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,447.20 : 47,170.92 = 29,870.58 : x
  2. Step 2: Convert to fraction form
    31,447.20/47,170.92 = 29,870.58/x
  3. Step 3: Cross multiply
    31,447.20x = 47,170.92 × 29,870.58
  4. Step 4: Simplify right side
    31,447.20x = 1,409,022,739.53
  5. Step 5: Solve for x
    x = 1,409,022,739.53/31,447.20
  6. Step 6: Final answer
    x = 44,805.98

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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.