Home / 48,081.21-66,383.40-43,036.83

Finding the Fourth Proportional to 48,081.21, 66,383.40 and 43,036.83

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Solution

The fourth proportional to 48,081.21, 66,383.40 and 43,036.83 is: 59,418.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,081.21 : 66,383.40 = 43,036.83 : x
  2. Step 2: Convert to fraction form
    48,081.21/66,383.40 = 43,036.83/x
  3. Step 3: Cross multiply
    48,081.21x = 66,383.40 × 43,036.83
  4. Step 4: Simplify right side
    48,081.21x = 2,856,931,100.62
  5. Step 5: Solve for x
    x = 2,856,931,100.62/48,081.21
  6. Step 6: Final answer
    x = 59,418.87

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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.