Home / 40,680.94-56,141.78-22,774.88

Finding the Fourth Proportional to 40,680.94, 56,141.78 and 22,774.88

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Solution

The fourth proportional to 40,680.94, 56,141.78 and 22,774.88 is: 31,430.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,680.94 : 56,141.78 = 22,774.88 : x
  2. Step 2: Convert to fraction form
    40,680.94/56,141.78 = 22,774.88/x
  3. Step 3: Cross multiply
    40,680.94x = 56,141.78 × 22,774.88
  4. Step 4: Simplify right side
    40,680.94x = 1,278,622,021.78
  5. Step 5: Solve for x
    x = 1,278,622,021.78/40,680.94
  6. Step 6: Final answer
    x = 31,430.49

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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.