Home / 54,621.36-75,388.28-31,962.80

Finding the Fourth Proportional to 54,621.36, 75,388.28 and 31,962.80

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Solution

The fourth proportional to 54,621.36, 75,388.28 and 31,962.80 is: 44,114.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,621.36 : 75,388.28 = 31,962.80 : x
  2. Step 2: Convert to fraction form
    54,621.36/75,388.28 = 31,962.80/x
  3. Step 3: Cross multiply
    54,621.36x = 75,388.28 × 31,962.80
  4. Step 4: Simplify right side
    54,621.36x = 2,409,620,515.98
  5. Step 5: Solve for x
    x = 2,409,620,515.98/54,621.36
  6. Step 6: Final answer
    x = 44,114.99

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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.