Home / 44,921.53-67,322.40-21,235.36

Finding the Fourth Proportional to 44,921.53, 67,322.40 and 21,235.36

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Solution

The fourth proportional to 44,921.53, 67,322.40 and 21,235.36 is: 31,824.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,921.53 : 67,322.40 = 21,235.36 : x
  2. Step 2: Convert to fraction form
    44,921.53/67,322.40 = 21,235.36/x
  3. Step 3: Cross multiply
    44,921.53x = 67,322.40 × 21,235.36
  4. Step 4: Simplify right side
    44,921.53x = 1,429,615,400.06
  5. Step 5: Solve for x
    x = 1,429,615,400.06/44,921.53
  6. Step 6: Final answer
    x = 31,824.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.