Home / 65,277.38-97,914.45-20,903.96

Finding the Fourth Proportional to 65,277.38, 97,914.45 and 20,903.96

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Solution

The fourth proportional to 65,277.38, 97,914.45 and 20,903.96 is: 31,355.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,277.38 : 97,914.45 = 20,903.96 : x
  2. Step 2: Convert to fraction form
    65,277.38/97,914.45 = 20,903.96/x
  3. Step 3: Cross multiply
    65,277.38x = 97,914.45 × 20,903.96
  4. Step 4: Simplify right side
    65,277.38x = 2,046,799,746.22
  5. Step 5: Solve for x
    x = 2,046,799,746.22/65,277.38
  6. Step 6: Final answer
    x = 31,355.42

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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.