Home / 45,489.94-62,774.53-25,345.78

Finding the Fourth Proportional to 45,489.94, 62,774.53 and 25,345.78

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Solution

The fourth proportional to 45,489.94, 62,774.53 and 25,345.78 is: 34,976.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,489.94 : 62,774.53 = 25,345.78 : x
  2. Step 2: Convert to fraction form
    45,489.94/62,774.53 = 25,345.78/x
  3. Step 3: Cross multiply
    45,489.94x = 62,774.53 × 25,345.78
  4. Step 4: Simplify right side
    45,489.94x = 1,591,069,426.98
  5. Step 5: Solve for x
    x = 1,591,069,426.98/45,489.94
  6. Step 6: Final answer
    x = 34,976.29

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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.