Home / 31,353.23-43,265.81-17,922.71

Finding the Fourth Proportional to 31,353.23, 43,265.81 and 17,922.71

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Solution

The fourth proportional to 31,353.23, 43,265.81 and 17,922.71 is: 24,732.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,353.23 : 43,265.81 = 17,922.71 : x
  2. Step 2: Convert to fraction form
    31,353.23/43,265.81 = 17,922.71/x
  3. Step 3: Cross multiply
    31,353.23x = 43,265.81 × 17,922.71
  4. Step 4: Simplify right side
    31,353.23x = 775,440,475.93
  5. Step 5: Solve for x
    x = 775,440,475.93/31,353.23
  6. Step 6: Final answer
    x = 24,732.40

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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.