Home / 40,857.22-56,379.90-22,948.75

Finding the Fourth Proportional to 40,857.22, 56,379.90 and 22,948.75

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Solution

The fourth proportional to 40,857.22, 56,379.90 and 22,948.75 is: 31,667.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,857.22 : 56,379.90 = 22,948.75 : x
  2. Step 2: Convert to fraction form
    40,857.22/56,379.90 = 22,948.75/x
  3. Step 3: Cross multiply
    40,857.22x = 56,379.90 × 22,948.75
  4. Step 4: Simplify right side
    40,857.22x = 1,293,848,230.13
  5. Step 5: Solve for x
    x = 1,293,848,230.13/40,857.22
  6. Step 6: Final answer
    x = 31,667.55

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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.