Home / 40,278.75-55,584.69-22,373.79

Finding the Fourth Proportional to 40,278.75, 55,584.69 and 22,373.79

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Solution

The fourth proportional to 40,278.75, 55,584.69 and 22,373.79 is: 30,875.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,278.75 : 55,584.69 = 22,373.79 : x
  2. Step 2: Convert to fraction form
    40,278.75/55,584.69 = 22,373.79/x
  3. Step 3: Cross multiply
    40,278.75x = 55,584.69 × 22,373.79
  4. Step 4: Simplify right side
    40,278.75x = 1,243,640,181.28
  5. Step 5: Solve for x
    x = 1,243,640,181.28/40,278.75
  6. Step 6: Final answer
    x = 30,875.84

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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.