Home / 40,505.48-55,974.72-29,212.04

Finding the Fourth Proportional to 40,505.48, 55,974.72 and 29,212.04

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Solution

The fourth proportional to 40,505.48, 55,974.72 and 29,212.04 is: 40,368.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,505.48 : 55,974.72 = 29,212.04 : x
  2. Step 2: Convert to fraction form
    40,505.48/55,974.72 = 29,212.04/x
  3. Step 3: Cross multiply
    40,505.48x = 55,974.72 × 29,212.04
  4. Step 4: Simplify right side
    40,505.48x = 1,635,135,759.63
  5. Step 5: Solve for x
    x = 1,635,135,759.63/40,505.48
  6. Step 6: Final answer
    x = 40,368.26

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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.