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Finding the Fourth Proportional to 55,005.33, 75,905.33 and 29,854.29

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Solution

The fourth proportional to 55,005.33, 75,905.33 and 29,854.29 is: 41,197.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,005.33 : 75,905.33 = 29,854.29 : x
  2. Step 2: Convert to fraction form
    55,005.33/75,905.33 = 29,854.29/x
  3. Step 3: Cross multiply
    55,005.33x = 75,905.33 × 29,854.29
  4. Step 4: Simplify right side
    55,005.33x = 2,266,099,585.09
  5. Step 5: Solve for x
    x = 2,266,099,585.09/55,005.33
  6. Step 6: Final answer
    x = 41,197.82

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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.