Home / 54,319.29-74,956.44-30,441.32

Finding the Fourth Proportional to 54,319.29, 74,956.44 and 30,441.32

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Solution

The fourth proportional to 54,319.29, 74,956.44 and 30,441.32 is: 42,006.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,319.29 : 74,956.44 = 30,441.32 : x
  2. Step 2: Convert to fraction form
    54,319.29/74,956.44 = 30,441.32/x
  3. Step 3: Cross multiply
    54,319.29x = 74,956.44 × 30,441.32
  4. Step 4: Simplify right side
    54,319.29x = 2,281,772,976.10
  5. Step 5: Solve for x
    x = 2,281,772,976.10/54,319.29
  6. Step 6: Final answer
    x = 42,006.68

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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.