Home / 53,744.68-74,229.80-40,374.28

Finding the Fourth Proportional to 53,744.68, 74,229.80 and 40,374.28

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Solution

The fourth proportional to 53,744.68, 74,229.80 and 40,374.28 is: 55,763.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,744.68 : 74,229.80 = 40,374.28 : x
  2. Step 2: Convert to fraction form
    53,744.68/74,229.80 = 40,374.28/x
  3. Step 3: Cross multiply
    53,744.68x = 74,229.80 × 40,374.28
  4. Step 4: Simplify right side
    53,744.68x = 2,996,974,729.54
  5. Step 5: Solve for x
    x = 2,996,974,729.54/53,744.68
  6. Step 6: Final answer
    x = 55,763.19

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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.