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Finding the Fourth Proportional to 45,649.76, 62,993.10 and 25,505.60

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Solution

The fourth proportional to 45,649.76, 62,993.10 and 25,505.60 is: 35,195.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,649.76 : 62,993.10 = 25,505.60 : x
  2. Step 2: Convert to fraction form
    45,649.76/62,993.10 = 25,505.60/x
  3. Step 3: Cross multiply
    45,649.76x = 62,993.10 × 25,505.60
  4. Step 4: Simplify right side
    45,649.76x = 1,606,676,811.36
  5. Step 5: Solve for x
    x = 1,606,676,811.36/45,649.76
  6. Step 6: Final answer
    x = 35,195.73

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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.