Home / 55,369.12-83,066.90-17,929.22

Finding the Fourth Proportional to 55,369.12, 83,066.90 and 17,929.22

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Solution

The fourth proportional to 55,369.12, 83,066.90 and 17,929.22 is: 26,898.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,369.12 : 83,066.90 = 17,929.22 : x
  2. Step 2: Convert to fraction form
    55,369.12/83,066.90 = 17,929.22/x
  3. Step 3: Cross multiply
    55,369.12x = 83,066.90 × 17,929.22
  4. Step 4: Simplify right side
    55,369.12x = 1,489,324,724.82
  5. Step 5: Solve for x
    x = 1,489,324,724.82/55,369.12
  6. Step 6: Final answer
    x = 26,898.11

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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.