Home / 54,002.32-74,522.96-30,129.02

Finding the Fourth Proportional to 54,002.32, 74,522.96 and 30,129.02

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Solution

The fourth proportional to 54,002.32, 74,522.96 and 30,129.02 is: 41,577.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,002.32 : 74,522.96 = 30,129.02 : x
  2. Step 2: Convert to fraction form
    54,002.32/74,522.96 = 30,129.02/x
  3. Step 3: Cross multiply
    54,002.32x = 74,522.96 × 30,129.02
  4. Step 4: Simplify right side
    54,002.32x = 2,245,303,752.30
  5. Step 5: Solve for x
    x = 2,245,303,752.30/54,002.32
  6. Step 6: Final answer
    x = 41,577.91

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1.5x scale

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.