Home / 53,869.55-74,340-29,998.44

Finding the Fourth Proportional to 53,869.55, 74,340 and 29,998.44

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Solution

The fourth proportional to 53,869.55, 74,340 and 29,998.44 is: 41,397.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,869.55 : 74,340 = 29,998.44 : x
  2. Step 2: Convert to fraction form
    53,869.55/74,340 = 29,998.44/x
  3. Step 3: Cross multiply
    53,869.55x = 74,340 × 29,998.44
  4. Step 4: Simplify right side
    53,869.55x = 2,230,084,029.60
  5. Step 5: Solve for x
    x = 2,230,084,029.60/53,869.55
  6. Step 6: Final answer
    x = 41,397.86

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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.