Home / 65,956.48-91,015.36-39,097.60

Finding the Fourth Proportional to 65,956.48, 91,015.36 and 39,097.60

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Solution

The fourth proportional to 65,956.48, 91,015.36 and 39,097.60 is: 53,951.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,956.48 : 91,015.36 = 39,097.60 : x
  2. Step 2: Convert to fraction form
    65,956.48/91,015.36 = 39,097.60/x
  3. Step 3: Cross multiply
    65,956.48x = 91,015.36 × 39,097.60
  4. Step 4: Simplify right side
    65,956.48x = 3,558,482,139.14
  5. Step 5: Solve for x
    x = 3,558,482,139.14/65,956.48
  6. Step 6: Final answer
    x = 53,951.97

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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.