Home / 65,799.96-90,796.86-38,943.60

Finding the Fourth Proportional to 65,799.96, 90,796.86 and 38,943.60

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Solution

The fourth proportional to 65,799.96, 90,796.86 and 38,943.60 is: 53,737.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,799.96 : 90,796.86 = 38,943.60 : x
  2. Step 2: Convert to fraction form
    65,799.96/90,796.86 = 38,943.60/x
  3. Step 3: Cross multiply
    65,799.96x = 90,796.86 × 38,943.60
  4. Step 4: Simplify right side
    65,799.96x = 3,535,956,597.10
  5. Step 5: Solve for x
    x = 3,535,956,597.10/65,799.96
  6. Step 6: Final answer
    x = 53,737.97

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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.