Home / 49,721.28-74,607.28-27,530.40

Finding the Fourth Proportional to 49,721.28, 74,607.28 and 27,530.40

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Solution

The fourth proportional to 49,721.28, 74,607.28 and 27,530.40 is: 41,309.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,721.28 : 74,607.28 = 27,530.40 : x
  2. Step 2: Convert to fraction form
    49,721.28/74,607.28 = 27,530.40/x
  3. Step 3: Cross multiply
    49,721.28x = 74,607.28 × 27,530.40
  4. Step 4: Simplify right side
    49,721.28x = 2,053,968,261.31
  5. Step 5: Solve for x
    x = 2,053,968,261.31/49,721.28
  6. Step 6: Final answer
    x = 41,309.64

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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.