Home / 40,857.90-56,377.76-22,949.47

Finding the Fourth Proportional to 40,857.90, 56,377.76 and 22,949.47

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Solution

The fourth proportional to 40,857.90, 56,377.76 and 22,949.47 is: 31,666.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,857.90 : 56,377.76 = 22,949.47 : x
  2. Step 2: Convert to fraction form
    40,857.90/56,377.76 = 22,949.47/x
  3. Step 3: Cross multiply
    40,857.90x = 56,377.76 × 22,949.47
  4. Step 4: Simplify right side
    40,857.90x = 1,293,839,597.04
  5. Step 5: Solve for x
    x = 1,293,839,597.04/40,857.90
  6. Step 6: Final answer
    x = 31,666.82

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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.