Home / 49,947.82-74,932.68-18,783.06

Finding the Fourth Proportional to 49,947.82, 74,932.68 and 18,783.06

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Solution

The fourth proportional to 49,947.82, 74,932.68 and 18,783.06 is: 28,178.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,947.82 : 74,932.68 = 18,783.06 : x
  2. Step 2: Convert to fraction form
    49,947.82/74,932.68 = 18,783.06/x
  3. Step 3: Cross multiply
    49,947.82x = 74,932.68 × 18,783.06
  4. Step 4: Simplify right side
    49,947.82x = 1,407,465,024.40
  5. Step 5: Solve for x
    x = 1,407,465,024.40/49,947.82
  6. Step 6: Final answer
    x = 28,178.71

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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.