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Finding the Fourth Proportional to 45,665.39, 63,018 and 25,522.25

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Solution

The fourth proportional to 45,665.39, 63,018 and 25,522.25 is: 35,220.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,665.39 : 63,018 = 25,522.25 : x
  2. Step 2: Convert to fraction form
    45,665.39/63,018 = 25,522.25/x
  3. Step 3: Cross multiply
    45,665.39x = 63,018 × 25,522.25
  4. Step 4: Simplify right side
    45,665.39x = 1,608,360,835.41
  5. Step 5: Solve for x
    x = 1,608,360,835.41/45,665.39
  6. Step 6: Final answer
    x = 35,220.57

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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.