Home / 31,312.58-43,162.27-23,728.55

Finding the Fourth Proportional to 31,312.58, 43,162.27 and 23,728.55

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Solution

The fourth proportional to 31,312.58, 43,162.27 and 23,728.55 is: 32,708.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,312.58 : 43,162.27 = 23,728.55 : x
  2. Step 2: Convert to fraction form
    31,312.58/43,162.27 = 23,728.55/x
  3. Step 3: Cross multiply
    31,312.58x = 43,162.27 × 23,728.55
  4. Step 4: Simplify right side
    31,312.58x = 1,024,177,806.68
  5. Step 5: Solve for x
    x = 1,024,177,806.68/31,312.58
  6. Step 6: Final answer
    x = 32,708.19

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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.