Home / 53,119.78-79,685.51-17,568.15

Finding the Fourth Proportional to 53,119.78, 79,685.51 and 17,568.15

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Solution

The fourth proportional to 53,119.78, 79,685.51 and 17,568.15 is: 26,354.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,119.78 : 79,685.51 = 17,568.15 : x
  2. Step 2: Convert to fraction form
    53,119.78/79,685.51 = 17,568.15/x
  3. Step 3: Cross multiply
    53,119.78x = 79,685.51 × 17,568.15
  4. Step 4: Simplify right side
    53,119.78x = 1,399,926,506.24
  5. Step 5: Solve for x
    x = 1,399,926,506.24/53,119.78
  6. Step 6: Final answer
    x = 26,354.15

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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.