Home / 65,318.13-97,971.93-20,932.97

Finding the Fourth Proportional to 65,318.13, 97,971.93 and 20,932.97

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Solution

The fourth proportional to 65,318.13, 97,971.93 and 20,932.97 is: 31,397.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,318.13 : 97,971.93 = 20,932.97 : x
  2. Step 2: Convert to fraction form
    65,318.13/97,971.93 = 20,932.97/x
  3. Step 3: Cross multiply
    65,318.13x = 97,971.93 × 20,932.97
  4. Step 4: Simplify right side
    65,318.13x = 2,050,842,981.67
  5. Step 5: Solve for x
    x = 2,050,842,981.67/65,318.13
  6. Step 6: Final answer
    x = 31,397.76

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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.