Home / 40,378.93-55,722.37-22,473.95

Finding the Fourth Proportional to 40,378.93, 55,722.37 and 22,473.95

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Solution

The fourth proportional to 40,378.93, 55,722.37 and 22,473.95 is: 31,013.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,378.93 : 55,722.37 = 22,473.95 : x
  2. Step 2: Convert to fraction form
    40,378.93/55,722.37 = 22,473.95/x
  3. Step 3: Cross multiply
    40,378.93x = 55,722.37 × 22,473.95
  4. Step 4: Simplify right side
    40,378.93x = 1,252,301,422.46
  5. Step 5: Solve for x
    x = 1,252,301,422.46/40,378.93
  6. Step 6: Final answer
    x = 31,013.73

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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.