Home / 31,591.42-43,598.45-18,166.88

Finding the Fourth Proportional to 31,591.42, 43,598.45 and 18,166.88

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Solution

The fourth proportional to 31,591.42, 43,598.45 and 18,166.88 is: 25,071.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,591.42 : 43,598.45 = 18,166.88 : x
  2. Step 2: Convert to fraction form
    31,591.42/43,598.45 = 18,166.88/x
  3. Step 3: Cross multiply
    31,591.42x = 43,598.45 × 18,166.88
  4. Step 4: Simplify right side
    31,591.42x = 792,047,963.75
  5. Step 5: Solve for x
    x = 792,047,963.75/31,591.42
  6. Step 6: Final answer
    x = 25,071.62

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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.