Home / 55,711.01-83,556.09-15,720.14

Finding the Fourth Proportional to 55,711.01, 83,556.09 and 15,720.14

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Solution

The fourth proportional to 55,711.01, 83,556.09 and 15,720.14 is: 23,577.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,711.01 : 83,556.09 = 15,720.14 : x
  2. Step 2: Convert to fraction form
    55,711.01/83,556.09 = 15,720.14/x
  3. Step 3: Cross multiply
    55,711.01x = 83,556.09 × 15,720.14
  4. Step 4: Simplify right side
    55,711.01x = 1,313,513,014.87
  5. Step 5: Solve for x
    x = 1,313,513,014.87/55,711.01
  6. Step 6: Final answer
    x = 23,577.26

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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.