Home / 40,667.25-56,112.75-22,758.78

Finding the Fourth Proportional to 40,667.25, 56,112.75 and 22,758.78

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Solution

The fourth proportional to 40,667.25, 56,112.75 and 22,758.78 is: 31,402.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,667.25 : 56,112.75 = 22,758.78 : x
  2. Step 2: Convert to fraction form
    40,667.25/56,112.75 = 22,758.78/x
  3. Step 3: Cross multiply
    40,667.25x = 56,112.75 × 22,758.78
  4. Step 4: Simplify right side
    40,667.25x = 1,277,057,732.45
  5. Step 5: Solve for x
    x = 1,277,057,732.45/40,667.25
  6. Step 6: Final answer
    x = 31,402.61

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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.