Home / 40,827-56,340.82-22,921.58

Finding the Fourth Proportional to 40,827, 56,340.82 and 22,921.58

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Solution

The fourth proportional to 40,827, 56,340.82 and 22,921.58 is: 31,631.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,827 : 56,340.82 = 22,921.58 : x
  2. Step 2: Convert to fraction form
    40,827/56,340.82 = 22,921.58/x
  3. Step 3: Cross multiply
    40,827x = 56,340.82 × 22,921.58
  4. Step 4: Simplify right side
    40,827x = 1,291,420,612.90
  5. Step 5: Solve for x
    x = 1,291,420,612.90/40,827
  6. Step 6: Final answer
    x = 31,631.53

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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.