Home / 40,574-55,989.96-22,669.76

Finding the Fourth Proportional to 40,574, 55,989.96 and 22,669.76

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Solution

The fourth proportional to 40,574, 55,989.96 and 22,669.76 is: 31,283.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,574 : 55,989.96 = 22,669.76 : x
  2. Step 2: Convert to fraction form
    40,574/55,989.96 = 22,669.76/x
  3. Step 3: Cross multiply
    40,574x = 55,989.96 × 22,669.76
  4. Step 4: Simplify right side
    40,574x = 1,269,278,955.61
  5. Step 5: Solve for x
    x = 1,269,278,955.61/40,574
  6. Step 6: Final answer
    x = 31,283.06

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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.