Home / 55,591.05-76,715.78-30,097.70

Finding the Fourth Proportional to 55,591.05, 76,715.78 and 30,097.70

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Solution

The fourth proportional to 55,591.05, 76,715.78 and 30,097.70 is: 41,534.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,591.05 : 76,715.78 = 30,097.70 : x
  2. Step 2: Convert to fraction form
    55,591.05/76,715.78 = 30,097.70/x
  3. Step 3: Cross multiply
    55,591.05x = 76,715.78 × 30,097.70
  4. Step 4: Simplify right side
    55,591.05x = 2,308,967,997.64
  5. Step 5: Solve for x
    x = 2,308,967,997.64/55,591.05
  6. Step 6: Final answer
    x = 41,534.89

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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.