Home / 29,393.28-40,532.40-20,450.88

Finding the Fourth Proportional to 29,393.28, 40,532.40 and 20,450.88

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Solution

The fourth proportional to 29,393.28, 40,532.40 and 20,450.88 is: 28,201.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,393.28 : 40,532.40 = 20,450.88 : x
  2. Step 2: Convert to fraction form
    29,393.28/40,532.40 = 20,450.88/x
  3. Step 3: Cross multiply
    29,393.28x = 40,532.40 × 20,450.88
  4. Step 4: Simplify right side
    29,393.28x = 828,923,248.51
  5. Step 5: Solve for x
    x = 828,923,248.51/29,393.28
  6. Step 6: Final answer
    x = 28,201.11

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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.