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Finding the Fourth Proportional to 74,065.52, 111,121.32 and 21,482.48

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Solution

The fourth proportional to 74,065.52, 111,121.32 and 21,482.48 is: 32,230.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,065.52 : 111,121.32 = 21,482.48 : x
  2. Step 2: Convert to fraction form
    74,065.52/111,121.32 = 21,482.48/x
  3. Step 3: Cross multiply
    74,065.52x = 111,121.32 × 21,482.48
  4. Step 4: Simplify right side
    74,065.52x = 2,387,161,534.47
  5. Step 5: Solve for x
    x = 2,387,161,534.47/74,065.52
  6. Step 6: Final answer
    x = 32,230.40

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