Home / 48,485.12-66,914.52-29,634.80

Finding the Fourth Proportional to 48,485.12, 66,914.52 and 29,634.80

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Solution

The fourth proportional to 48,485.12, 66,914.52 and 29,634.80 is: 40,899.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,485.12 : 66,914.52 = 29,634.80 : x
  2. Step 2: Convert to fraction form
    48,485.12/66,914.52 = 29,634.80/x
  3. Step 3: Cross multiply
    48,485.12x = 66,914.52 × 29,634.80
  4. Step 4: Simplify right side
    48,485.12x = 1,982,998,417.30
  5. Step 5: Solve for x
    x = 1,982,998,417.30/48,485.12
  6. Step 6: Final answer
    x = 40,899.11

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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.