Home / 54,328.24-74,972.88-30,454.93

Finding the Fourth Proportional to 54,328.24, 74,972.88 and 30,454.93

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Solution

The fourth proportional to 54,328.24, 74,972.88 and 30,454.93 is: 42,027.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,328.24 : 74,972.88 = 30,454.93 : x
  2. Step 2: Convert to fraction form
    54,328.24/74,972.88 = 30,454.93/x
  3. Step 3: Cross multiply
    54,328.24x = 74,972.88 × 30,454.93
  4. Step 4: Simplify right side
    54,328.24x = 2,283,293,812.30
  5. Step 5: Solve for x
    x = 2,283,293,812.30/54,328.24
  6. Step 6: Final answer
    x = 42,027.75

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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.