Home / 31,750.79-43,823.23-18,324.43

Finding the Fourth Proportional to 31,750.79, 43,823.23 and 18,324.43

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Solution

The fourth proportional to 31,750.79, 43,823.23 and 18,324.43 is: 25,291.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,750.79 : 43,823.23 = 18,324.43 : x
  2. Step 2: Convert to fraction form
    31,750.79/43,823.23 = 18,324.43/x
  3. Step 3: Cross multiply
    31,750.79x = 43,823.23 × 18,324.43
  4. Step 4: Simplify right side
    31,750.79x = 803,035,555.14
  5. Step 5: Solve for x
    x = 803,035,555.14/31,750.79
  6. Step 6: Final answer
    x = 25,291.83

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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.