Home / 54,579.20-75,318.99-30,706.02

Finding the Fourth Proportional to 54,579.20, 75,318.99 and 30,706.02

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Solution

The fourth proportional to 54,579.20, 75,318.99 and 30,706.02 is: 42,374.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,579.20 : 75,318.99 = 30,706.02 : x
  2. Step 2: Convert to fraction form
    54,579.20/75,318.99 = 30,706.02/x
  3. Step 3: Cross multiply
    54,579.20x = 75,318.99 × 30,706.02
  4. Step 4: Simplify right side
    54,579.20x = 2,312,746,413.32
  5. Step 5: Solve for x
    x = 2,312,746,413.32/54,579.20
  6. Step 6: Final answer
    x = 42,374.14

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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.