Home / 31,421.80-43,358.52-17,273.80

Finding the Fourth Proportional to 31,421.80, 43,358.52 and 17,273.80

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Solution

The fourth proportional to 31,421.80, 43,358.52 and 17,273.80 is: 23,835.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,421.80 : 43,358.52 = 17,273.80 : x
  2. Step 2: Convert to fraction form
    31,421.80/43,358.52 = 17,273.80/x
  3. Step 3: Cross multiply
    31,421.80x = 43,358.52 × 17,273.80
  4. Step 4: Simplify right side
    31,421.80x = 748,966,402.78
  5. Step 5: Solve for x
    x = 748,966,402.78/31,421.80
  6. Step 6: Final answer
    x = 23,835.88

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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.