Home / 29,216.80-40,304.74-18,312.97

Finding the Fourth Proportional to 29,216.80, 40,304.74 and 18,312.97

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Solution

The fourth proportional to 29,216.80, 40,304.74 and 18,312.97 is: 25,262.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,216.80 : 40,304.74 = 18,312.97 : x
  2. Step 2: Convert to fraction form
    29,216.80/40,304.74 = 18,312.97/x
  3. Step 3: Cross multiply
    29,216.80x = 40,304.74 × 18,312.97
  4. Step 4: Simplify right side
    29,216.80x = 738,099,627.88
  5. Step 5: Solve for x
    x = 738,099,627.88/29,216.80
  6. Step 6: Final answer
    x = 25,262.85

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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.