Home / 51,685.32-71,231.75-40,348.92

Finding the Fourth Proportional to 51,685.32, 71,231.75 and 40,348.92

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Solution

The fourth proportional to 51,685.32, 71,231.75 and 40,348.92 is: 55,608.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,685.32 : 71,231.75 = 40,348.92 : x
  2. Step 2: Convert to fraction form
    51,685.32/71,231.75 = 40,348.92/x
  3. Step 3: Cross multiply
    51,685.32x = 71,231.75 × 40,348.92
  4. Step 4: Simplify right side
    51,685.32x = 2,874,124,182.21
  5. Step 5: Solve for x
    x = 2,874,124,182.21/51,685.32
  6. Step 6: Final answer
    x = 55,608.13

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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.