Home / 53,310.16-79,938.51-17,758.99

Finding the Fourth Proportional to 53,310.16, 79,938.51 and 17,758.99

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Solution

The fourth proportional to 53,310.16, 79,938.51 and 17,758.99 is: 26,629.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,310.16 : 79,938.51 = 17,758.99 : x
  2. Step 2: Convert to fraction form
    53,310.16/79,938.51 = 17,758.99/x
  3. Step 3: Cross multiply
    53,310.16x = 79,938.51 × 17,758.99
  4. Step 4: Simplify right side
    53,310.16x = 1,419,627,233.03
  5. Step 5: Solve for x
    x = 1,419,627,233.03/53,310.16
  6. Step 6: Final answer
    x = 26,629.58

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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.