Home / 51,781.08-77,647.08-18,035.33

Finding the Fourth Proportional to 51,781.08, 77,647.08 and 18,035.33

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Solution

The fourth proportional to 51,781.08, 77,647.08 and 18,035.33 is: 27,044.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,781.08 : 77,647.08 = 18,035.33 : x
  2. Step 2: Convert to fraction form
    51,781.08/77,647.08 = 18,035.33/x
  3. Step 3: Cross multiply
    51,781.08x = 77,647.08 × 18,035.33
  4. Step 4: Simplify right side
    51,781.08x = 1,400,390,427.71
  5. Step 5: Solve for x
    x = 1,400,390,427.71/51,781.08
  6. Step 6: Final answer
    x = 27,044.44

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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.