Home / 45,048.21-62,168.28-29,914.78

Finding the Fourth Proportional to 45,048.21, 62,168.28 and 29,914.78

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Solution

The fourth proportional to 45,048.21, 62,168.28 and 29,914.78 is: 41,283.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,048.21 : 62,168.28 = 29,914.78 : x
  2. Step 2: Convert to fraction form
    45,048.21/62,168.28 = 29,914.78/x
  3. Step 3: Cross multiply
    45,048.21x = 62,168.28 × 29,914.78
  4. Step 4: Simplify right side
    45,048.21x = 1,859,750,419.18
  5. Step 5: Solve for x
    x = 1,859,750,419.18/45,048.21
  6. Step 6: Final answer
    x = 41,283.56

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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.