Home / 57,364.22-79,159.86-31,872.20

Finding the Fourth Proportional to 57,364.22, 79,159.86 and 31,872.20

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Solution

The fourth proportional to 57,364.22, 79,159.86 and 31,872.20 is: 43,982.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,364.22 : 79,159.86 = 31,872.20 : x
  2. Step 2: Convert to fraction form
    57,364.22/79,159.86 = 31,872.20/x
  3. Step 3: Cross multiply
    57,364.22x = 79,159.86 × 31,872.20
  4. Step 4: Simplify right side
    57,364.22x = 2,522,998,889.89
  5. Step 5: Solve for x
    x = 2,522,998,889.89/57,364.22
  6. Step 6: Final answer
    x = 43,982.10

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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.