Home / 36,431.78-54,629.40-17,700.08

Finding the Fourth Proportional to 36,431.78, 54,629.40 and 17,700.08

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Solution

The fourth proportional to 36,431.78, 54,629.40 and 17,700.08 is: 26,541.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,431.78 : 54,629.40 = 17,700.08 : x
  2. Step 2: Convert to fraction form
    36,431.78/54,629.40 = 17,700.08/x
  3. Step 3: Cross multiply
    36,431.78x = 54,629.40 × 17,700.08
  4. Step 4: Simplify right side
    36,431.78x = 966,944,750.35
  5. Step 5: Solve for x
    x = 966,944,750.35/36,431.78
  6. Step 6: Final answer
    x = 26,541.24

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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.