Home / 40,378.27-55,721.44-22,473.28

Finding the Fourth Proportional to 40,378.27, 55,721.44 and 22,473.28

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Solution

The fourth proportional to 40,378.27, 55,721.44 and 22,473.28 is: 31,012.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,378.27 : 55,721.44 = 22,473.28 : x
  2. Step 2: Convert to fraction form
    40,378.27/55,721.44 = 22,473.28/x
  3. Step 3: Cross multiply
    40,378.27x = 55,721.44 × 22,473.28
  4. Step 4: Simplify right side
    40,378.27x = 1,252,243,244.52
  5. Step 5: Solve for x
    x = 1,252,243,244.52/40,378.27
  6. Step 6: Final answer
    x = 31,012.80

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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.