Home / 65,314.60-97,968.38-38,311.96

Finding the Fourth Proportional to 65,314.60, 97,968.38 and 38,311.96

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Solution

The fourth proportional to 65,314.60, 97,968.38 and 38,311.96 is: 57,465.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,314.60 : 97,968.38 = 38,311.96 : x
  2. Step 2: Convert to fraction form
    65,314.60/97,968.38 = 38,311.96/x
  3. Step 3: Cross multiply
    65,314.60x = 97,968.38 × 38,311.96
  4. Step 4: Simplify right side
    65,314.60x = 3,753,360,655.82
  5. Step 5: Solve for x
    x = 3,753,360,655.82/65,314.60
  6. Step 6: Final answer
    x = 57,465.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.