Home / 35,188.66-48,554.13-20,078.92

Finding the Fourth Proportional to 35,188.66, 48,554.13 and 20,078.92

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Solution

The fourth proportional to 35,188.66, 48,554.13 and 20,078.92 is: 27,705.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,188.66 : 48,554.13 = 20,078.92 : x
  2. Step 2: Convert to fraction form
    35,188.66/48,554.13 = 20,078.92/x
  3. Step 3: Cross multiply
    35,188.66x = 48,554.13 × 20,078.92
  4. Step 4: Simplify right side
    35,188.66x = 974,914,491.94
  5. Step 5: Solve for x
    x = 974,914,491.94/35,188.66
  6. Step 6: Final answer
    x = 27,705.36

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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.