Home / 53,878.97-74,350.09-29,675.21

Finding the Fourth Proportional to 53,878.97, 74,350.09 and 29,675.21

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Solution

The fourth proportional to 53,878.97, 74,350.09 and 29,675.21 is: 40,950.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,878.97 : 74,350.09 = 29,675.21 : x
  2. Step 2: Convert to fraction form
    53,878.97/74,350.09 = 29,675.21/x
  3. Step 3: Cross multiply
    53,878.97x = 74,350.09 × 29,675.21
  4. Step 4: Simplify right side
    53,878.97x = 2,206,354,014.14
  5. Step 5: Solve for x
    x = 2,206,354,014.14/53,878.97
  6. Step 6: Final answer
    x = 40,950.19

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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.