Home / 49,944.81-74,928.17-18,780.06

Finding the Fourth Proportional to 49,944.81, 74,928.17 and 18,780.06

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Solution

The fourth proportional to 49,944.81, 74,928.17 and 18,780.06 is: 28,174.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,944.81 : 74,928.17 = 18,780.06 : x
  2. Step 2: Convert to fraction form
    49,944.81/74,928.17 = 18,780.06/x
  3. Step 3: Cross multiply
    49,944.81x = 74,928.17 × 18,780.06
  4. Step 4: Simplify right side
    49,944.81x = 1,407,155,528.29
  5. Step 5: Solve for x
    x = 1,407,155,528.29/49,944.81
  6. Step 6: Final answer
    x = 28,174.21

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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.