Home / 49,548.49-74,339.13-19,991.18

Finding the Fourth Proportional to 49,548.49, 74,339.13 and 19,991.18

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Solution

The fourth proportional to 49,548.49, 74,339.13 and 19,991.18 is: 29,993.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,548.49 : 74,339.13 = 19,991.18 : x
  2. Step 2: Convert to fraction form
    49,548.49/74,339.13 = 19,991.18/x
  3. Step 3: Cross multiply
    49,548.49x = 74,339.13 × 19,991.18
  4. Step 4: Simplify right side
    49,548.49x = 1,486,126,928.87
  5. Step 5: Solve for x
    x = 1,486,126,928.87/49,548.49
  6. Step 6: Final answer
    x = 29,993.38

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1.5x scale

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.