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Finding the Fourth Proportional to 45,393.70, 62,642.40 and 25,250.17

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Solution

The fourth proportional to 45,393.70, 62,642.40 and 25,250.17 is: 34,844.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,393.70 : 62,642.40 = 25,250.17 : x
  2. Step 2: Convert to fraction form
    45,393.70/62,642.40 = 25,250.17/x
  3. Step 3: Cross multiply
    45,393.70x = 62,642.40 × 25,250.17
  4. Step 4: Simplify right side
    45,393.70x = 1,581,731,249.21
  5. Step 5: Solve for x
    x = 1,581,731,249.21/45,393.70
  6. Step 6: Final answer
    x = 34,844.73

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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.