Home / 65,832.01-90,848.60-40,338.43

Finding the Fourth Proportional to 65,832.01, 90,848.60 and 40,338.43

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Solution

The fourth proportional to 65,832.01, 90,848.60 and 40,338.43 is: 55,667.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,832.01 : 90,848.60 = 40,338.43 : x
  2. Step 2: Convert to fraction form
    65,832.01/90,848.60 = 40,338.43/x
  3. Step 3: Cross multiply
    65,832.01x = 90,848.60 × 40,338.43
  4. Step 4: Simplify right side
    65,832.01x = 3,664,689,891.70
  5. Step 5: Solve for x
    x = 3,664,689,891.70/65,832.01
  6. Step 6: Final answer
    x = 55,667.29

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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.