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Finding the Fourth Proportional to 55,017, 75,925.08 and 29,868.12

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Solution

The fourth proportional to 55,017, 75,925.08 and 29,868.12 is: 41,218.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,017 : 75,925.08 = 29,868.12 : x
  2. Step 2: Convert to fraction form
    55,017/75,925.08 = 29,868.12/x
  3. Step 3: Cross multiply
    55,017x = 75,925.08 × 29,868.12
  4. Step 4: Simplify right side
    55,017x = 2,267,739,400.45
  5. Step 5: Solve for x
    x = 2,267,739,400.45/55,017
  6. Step 6: Final answer
    x = 41,218.89

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.