Home / 31,217.57-43,079.59-17,070.40

Finding the Fourth Proportional to 31,217.57, 43,079.59 and 17,070.40

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Solution

The fourth proportional to 31,217.57, 43,079.59 and 17,070.40 is: 23,556.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,217.57 : 43,079.59 = 17,070.40 : x
  2. Step 2: Convert to fraction form
    31,217.57/43,079.59 = 17,070.40/x
  3. Step 3: Cross multiply
    31,217.57x = 43,079.59 × 17,070.40
  4. Step 4: Simplify right side
    31,217.57x = 735,385,833.14
  5. Step 5: Solve for x
    x = 735,385,833.14/31,217.57
  6. Step 6: Final answer
    x = 23,556.79

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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.