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Finding the Fourth Proportional to 45,155.84, 62,314.85 and 25,013.97

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Solution

The fourth proportional to 45,155.84, 62,314.85 and 25,013.97 is: 34,519.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,155.84 : 62,314.85 = 25,013.97 : x
  2. Step 2: Convert to fraction form
    45,155.84/62,314.85 = 25,013.97/x
  3. Step 3: Cross multiply
    45,155.84x = 62,314.85 × 25,013.97
  4. Step 4: Simplify right side
    45,155.84x = 1,558,741,850.99
  5. Step 5: Solve for x
    x = 1,558,741,850.99/45,155.84
  6. Step 6: Final answer
    x = 34,519.17

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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.