Home / 74,020.38-110,990.59-38,393.38

Finding the Fourth Proportional to 74,020.38, 110,990.59 and 38,393.38

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Solution

The fourth proportional to 74,020.38, 110,990.59 and 38,393.38 is: 57,569.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,020.38 : 110,990.59 = 38,393.38 : x
  2. Step 2: Convert to fraction form
    74,020.38/110,990.59 = 38,393.38/x
  3. Step 3: Cross multiply
    74,020.38x = 110,990.59 × 38,393.38
  4. Step 4: Simplify right side
    74,020.38x = 4,261,304,298.12
  5. Step 5: Solve for x
    x = 4,261,304,298.12/74,020.38
  6. Step 6: Final answer
    x = 57,569.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.