Home / 65,945.00-98,913.39-28,478.81

Finding the Fourth Proportional to 65,945.00, 98,913.39 and 28,478.81

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Solution

The fourth proportional to 65,945.00, 98,913.39 and 28,478.81 is: 42,716.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,945.00 : 98,913.39 = 28,478.81 : x
  2. Step 2: Convert to fraction form
    65,945.00/98,913.39 = 28,478.81/x
  3. Step 3: Cross multiply
    65,945.00x = 98,913.39 × 28,478.81
  4. Step 4: Simplify right side
    65,945.00x = 2,816,935,145.70
  5. Step 5: Solve for x
    x = 2,816,935,145.70/65,945.00
  6. Step 6: Final answer
    x = 42,716.44

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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.