Home / 31,358.36-43,275.24-17,211.16

Finding the Fourth Proportional to 31,358.36, 43,275.24 and 17,211.16

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Solution

The fourth proportional to 31,358.36, 43,275.24 and 17,211.16 is: 23,751.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,358.36 : 43,275.24 = 17,211.16 : x
  2. Step 2: Convert to fraction form
    31,358.36/43,275.24 = 17,211.16/x
  3. Step 3: Cross multiply
    31,358.36x = 43,275.24 × 17,211.16
  4. Step 4: Simplify right side
    31,358.36x = 744,817,079.68
  5. Step 5: Solve for x
    x = 744,817,079.68/31,358.36
  6. Step 6: Final answer
    x = 23,751.79

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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.