Home / 31,440.90-43,387.41-17,293.62

Finding the Fourth Proportional to 31,440.90, 43,387.41 and 17,293.62

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Solution

The fourth proportional to 31,440.90, 43,387.41 and 17,293.62 is: 23,864.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,440.90 : 43,387.41 = 17,293.62 : x
  2. Step 2: Convert to fraction form
    31,440.90/43,387.41 = 17,293.62/x
  3. Step 3: Cross multiply
    31,440.90x = 43,387.41 × 17,293.62
  4. Step 4: Simplify right side
    31,440.90x = 750,325,381.32
  5. Step 5: Solve for x
    x = 750,325,381.32/31,440.90
  6. Step 6: Final answer
    x = 23,864.63

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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.