Home / 31,344.39-43,275.74-19,425.24

Finding the Fourth Proportional to 31,344.39, 43,275.74 and 19,425.24

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Solution

The fourth proportional to 31,344.39, 43,275.74 and 19,425.24 is: 26,819.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,344.39 : 43,275.74 = 19,425.24 : x
  2. Step 2: Convert to fraction form
    31,344.39/43,275.74 = 19,425.24/x
  3. Step 3: Cross multiply
    31,344.39x = 43,275.74 × 19,425.24
  4. Step 4: Simplify right side
    31,344.39x = 840,641,538.55
  5. Step 5: Solve for x
    x = 840,641,538.55/31,344.39
  6. Step 6: Final answer
    x = 26,819.52

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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.