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Finding the Fourth Proportional to 45,473.93, 62,745.70 and 25,330.31

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Solution

The fourth proportional to 45,473.93, 62,745.70 and 25,330.31 is: 34,951.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,473.93 : 62,745.70 = 25,330.31 : x
  2. Step 2: Convert to fraction form
    45,473.93/62,745.70 = 25,330.31/x
  3. Step 3: Cross multiply
    45,473.93x = 62,745.70 × 25,330.31
  4. Step 4: Simplify right side
    45,473.93x = 1,589,368,173.20
  5. Step 5: Solve for x
    x = 1,589,368,173.20/45,473.93
  6. Step 6: Final answer
    x = 34,951.19

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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.