Home / 51,556.16-77,344-18,272.48

Finding the Fourth Proportional to 51,556.16, 77,344 and 18,272.48

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Solution

The fourth proportional to 51,556.16, 77,344 and 18,272.48 is: 27,412.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,556.16 : 77,344 = 18,272.48 : x
  2. Step 2: Convert to fraction form
    51,556.16/77,344 = 18,272.48/x
  3. Step 3: Cross multiply
    51,556.16x = 77,344 × 18,272.48
  4. Step 4: Simplify right side
    51,556.16x = 1,413,266,693.12
  5. Step 5: Solve for x
    x = 1,413,266,693.12/51,556.16
  6. Step 6: Final answer
    x = 27,412.18

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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.