Home / 36,345.78-54,537.30-17,877.78

Finding the Fourth Proportional to 36,345.78, 54,537.30 and 17,877.78

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Solution

The fourth proportional to 36,345.78, 54,537.30 and 17,877.78 is: 26,825.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,345.78 : 54,537.30 = 17,877.78 : x
  2. Step 2: Convert to fraction form
    36,345.78/54,537.30 = 17,877.78/x
  3. Step 3: Cross multiply
    36,345.78x = 54,537.30 × 17,877.78
  4. Step 4: Simplify right side
    36,345.78x = 975,005,851.19
  5. Step 5: Solve for x
    x = 975,005,851.19/36,345.78
  6. Step 6: Final answer
    x = 26,825.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.