Home / 35,178.78-52,744.38-18,521.16

Finding the Fourth Proportional to 35,178.78, 52,744.38 and 18,521.16

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Solution

The fourth proportional to 35,178.78, 52,744.38 and 18,521.16 is: 27,769.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,178.78 : 52,744.38 = 18,521.16 : x
  2. Step 2: Convert to fraction form
    35,178.78/52,744.38 = 18,521.16/x
  3. Step 3: Cross multiply
    35,178.78x = 52,744.38 × 18,521.16
  4. Step 4: Simplify right side
    35,178.78x = 976,887,101.08
  5. Step 5: Solve for x
    x = 976,887,101.08/35,178.78
  6. Step 6: Final answer
    x = 27,769.21

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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.