Home / 31,360.08-43,275.15-17,211.81

Finding the Fourth Proportional to 31,360.08, 43,275.15 and 17,211.81

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Solution

The fourth proportional to 31,360.08, 43,275.15 and 17,211.81 is: 23,751.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,360.08 : 43,275.15 = 17,211.81 : x
  2. Step 2: Convert to fraction form
    31,360.08/43,275.15 = 17,211.81/x
  3. Step 3: Cross multiply
    31,360.08x = 43,275.15 × 17,211.81
  4. Step 4: Simplify right side
    31,360.08x = 744,843,659.52
  5. Step 5: Solve for x
    x = 744,843,659.52/31,360.08
  6. Step 6: Final answer
    x = 23,751.33

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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.