Home / 31,359.12-43,275.38-17,212.08

Finding the Fourth Proportional to 31,359.12, 43,275.38 and 17,212.08

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Solution

The fourth proportional to 31,359.12, 43,275.38 and 17,212.08 is: 23,752.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,359.12 : 43,275.38 = 17,212.08 : x
  2. Step 2: Convert to fraction form
    31,359.12/43,275.38 = 17,212.08/x
  3. Step 3: Cross multiply
    31,359.12x = 43,275.38 × 17,212.08
  4. Step 4: Simplify right side
    31,359.12x = 744,859,302.59
  5. Step 5: Solve for x
    x = 744,859,302.59/31,359.12
  6. Step 6: Final answer
    x = 23,752.56

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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.