Home / 31,344.68-43,240.58-18,089

Finding the Fourth Proportional to 31,344.68, 43,240.58 and 18,089

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Solution

The fourth proportional to 31,344.68, 43,240.58 and 18,089 is: 24,954.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,344.68 : 43,240.58 = 18,089 : x
  2. Step 2: Convert to fraction form
    31,344.68/43,240.58 = 18,089/x
  3. Step 3: Cross multiply
    31,344.68x = 43,240.58 × 18,089
  4. Step 4: Simplify right side
    31,344.68x = 782,178,851.62
  5. Step 5: Solve for x
    x = 782,178,851.62/31,344.68
  6. Step 6: Final answer
    x = 24,954.12

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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.