Home / 35,711.38-49,278.22-19,795.49

Finding the Fourth Proportional to 35,711.38, 49,278.22 and 19,795.49

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Solution

The fourth proportional to 35,711.38, 49,278.22 and 19,795.49 is: 27,315.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,711.38 : 49,278.22 = 19,795.49 : x
  2. Step 2: Convert to fraction form
    35,711.38/49,278.22 = 19,795.49/x
  3. Step 3: Cross multiply
    35,711.38x = 49,278.22 × 19,795.49
  4. Step 4: Simplify right side
    35,711.38x = 975,486,511.49
  5. Step 5: Solve for x
    x = 975,486,511.49/35,711.38
  6. Step 6: Final answer
    x = 27,315.84

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1.5x scale

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.