Home / 31,439.45-43,387.07-17,292.32

Finding the Fourth Proportional to 31,439.45, 43,387.07 and 17,292.32

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Solution

The fourth proportional to 31,439.45, 43,387.07 and 17,292.32 is: 23,863.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,439.45 : 43,387.07 = 17,292.32 : x
  2. Step 2: Convert to fraction form
    31,439.45/43,387.07 = 17,292.32/x
  3. Step 3: Cross multiply
    31,439.45x = 43,387.07 × 17,292.32
  4. Step 4: Simplify right side
    31,439.45x = 750,262,794.91
  5. Step 5: Solve for x
    x = 750,262,794.91/31,439.45
  6. Step 6: Final answer
    x = 23,863.74

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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.