Home / 48,940.81-67,538.21-27,720.23

Finding the Fourth Proportional to 48,940.81, 67,538.21 and 27,720.23

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Solution

The fourth proportional to 48,940.81, 67,538.21 and 27,720.23 is: 38,253.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,940.81 : 67,538.21 = 27,720.23 : x
  2. Step 2: Convert to fraction form
    48,940.81/67,538.21 = 27,720.23/x
  3. Step 3: Cross multiply
    48,940.81x = 67,538.21 × 27,720.23
  4. Step 4: Simplify right side
    48,940.81x = 1,872,174,238.70
  5. Step 5: Solve for x
    x = 1,872,174,238.70/48,940.81
  6. Step 6: Final answer
    x = 38,253.85

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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.