Home / 48,391.54-66,774.13-28,243.80

Finding the Fourth Proportional to 48,391.54, 66,774.13 and 28,243.80

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Solution

The fourth proportional to 48,391.54, 66,774.13 and 28,243.80 is: 38,972.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,391.54 : 66,774.13 = 28,243.80 : x
  2. Step 2: Convert to fraction form
    48,391.54/66,774.13 = 28,243.80/x
  3. Step 3: Cross multiply
    48,391.54x = 66,774.13 × 28,243.80
  4. Step 4: Simplify right side
    48,391.54x = 1,885,954,697.80
  5. Step 5: Solve for x
    x = 1,885,954,697.80/48,391.54
  6. Step 6: Final answer
    x = 38,972.82

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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.