Home / 31,217.79-43,080.69-17,070.62

Finding the Fourth Proportional to 31,217.79, 43,080.69 and 17,070.62

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Solution

The fourth proportional to 31,217.79, 43,080.69 and 17,070.62 is: 23,557.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,217.79 : 43,080.69 = 17,070.62 : x
  2. Step 2: Convert to fraction form
    31,217.79/43,080.69 = 17,070.62/x
  3. Step 3: Cross multiply
    31,217.79x = 43,080.69 × 17,070.62
  4. Step 4: Simplify right side
    31,217.79x = 735,413,872.92
  5. Step 5: Solve for x
    x = 735,413,872.92/31,217.79
  6. Step 6: Final answer
    x = 23,557.53

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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.