Home / 49,005.90-67,643.37-38,952.18

Finding the Fourth Proportional to 49,005.90, 67,643.37 and 38,952.18

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Solution

The fourth proportional to 49,005.90, 67,643.37 and 38,952.18 is: 53,766.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,005.90 : 67,643.37 = 38,952.18 : x
  2. Step 2: Convert to fraction form
    49,005.90/67,643.37 = 38,952.18/x
  3. Step 3: Cross multiply
    49,005.90x = 67,643.37 × 38,952.18
  4. Step 4: Simplify right side
    49,005.90x = 2,634,856,724.05
  5. Step 5: Solve for x
    x = 2,634,856,724.05/49,005.90
  6. Step 6: Final answer
    x = 53,766.11

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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.