Home / 53,621.40-74,006.42-29,755.74

Finding the Fourth Proportional to 53,621.40, 74,006.42 and 29,755.74

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Solution

The fourth proportional to 53,621.40, 74,006.42 and 29,755.74 is: 41,067.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,621.40 : 74,006.42 = 29,755.74 : x
  2. Step 2: Convert to fraction form
    53,621.40/74,006.42 = 29,755.74/x
  3. Step 3: Cross multiply
    53,621.40x = 74,006.42 × 29,755.74
  4. Step 4: Simplify right side
    53,621.40x = 2,202,115,643.07
  5. Step 5: Solve for x
    x = 2,202,115,643.07/53,621.40
  6. Step 6: Final answer
    x = 41,067.85

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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.