Home / 31,439.76-43,386.86-17,293.52

Finding the Fourth Proportional to 31,439.76, 43,386.86 and 17,293.52

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Solution

The fourth proportional to 31,439.76, 43,386.86 and 17,293.52 is: 23,865.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,439.76 : 43,386.86 = 17,293.52 : x
  2. Step 2: Convert to fraction form
    31,439.76/43,386.86 = 17,293.52/x
  3. Step 3: Cross multiply
    31,439.76x = 43,386.86 × 17,293.52
  4. Step 4: Simplify right side
    31,439.76x = 750,311,531.15
  5. Step 5: Solve for x
    x = 750,311,531.15/31,439.76
  6. Step 6: Final answer
    x = 23,865.05

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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.