Home / 34,556.64-51,860.16-13,786.08

Finding the Fourth Proportional to 34,556.64, 51,860.16 and 13,786.08

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Solution

The fourth proportional to 34,556.64, 51,860.16 and 13,786.08 is: 20,689.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,556.64 : 51,860.16 = 13,786.08 : x
  2. Step 2: Convert to fraction form
    34,556.64/51,860.16 = 13,786.08/x
  3. Step 3: Cross multiply
    34,556.64x = 51,860.16 × 13,786.08
  4. Step 4: Simplify right side
    34,556.64x = 714,948,314.57
  5. Step 5: Solve for x
    x = 714,948,314.57/34,556.64
  6. Step 6: Final answer
    x = 20,689.17

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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.