Home / 40,247.94-55,608.59-30,209.61

Finding the Fourth Proportional to 40,247.94, 55,608.59 and 30,209.61

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Solution

The fourth proportional to 40,247.94, 55,608.59 and 30,209.61 is: 41,739.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,247.94 : 55,608.59 = 30,209.61 : x
  2. Step 2: Convert to fraction form
    40,247.94/55,608.59 = 30,209.61/x
  3. Step 3: Cross multiply
    40,247.94x = 55,608.59 × 30,209.61
  4. Step 4: Simplify right side
    40,247.94x = 1,679,914,100.61
  5. Step 5: Solve for x
    x = 1,679,914,100.61/40,247.94
  6. Step 6: Final answer
    x = 41,739.13

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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.