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Finding the Fourth Proportional to 45,970, 63,439.44 and 25,553.98

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Solution

The fourth proportional to 45,970, 63,439.44 and 25,553.98 is: 35,264.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,970 : 63,439.44 = 25,553.98 : x
  2. Step 2: Convert to fraction form
    45,970/63,439.44 = 25,553.98/x
  3. Step 3: Cross multiply
    45,970x = 63,439.44 × 25,553.98
  4. Step 4: Simplify right side
    45,970x = 1,621,130,180.97
  5. Step 5: Solve for x
    x = 1,621,130,180.97/45,970
  6. Step 6: Final answer
    x = 35,264.96

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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.