Home / 35,851.79-49,476.68-19,719.78

Finding the Fourth Proportional to 35,851.79, 49,476.68 and 19,719.78

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Solution

The fourth proportional to 35,851.79, 49,476.68 and 19,719.78 is: 27,213.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,851.79 : 49,476.68 = 19,719.78 : x
  2. Step 2: Convert to fraction form
    35,851.79/49,476.68 = 19,719.78/x
  3. Step 3: Cross multiply
    35,851.79x = 49,476.68 × 19,719.78
  4. Step 4: Simplify right side
    35,851.79x = 975,669,294.03
  5. Step 5: Solve for x
    x = 975,669,294.03/35,851.79
  6. Step 6: Final answer
    x = 27,213.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.