Home / 65,890.88-98,835.45-15,971.43

Finding the Fourth Proportional to 65,890.88, 98,835.45 and 15,971.43

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Solution

The fourth proportional to 65,890.88, 98,835.45 and 15,971.43 is: 23,956.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,890.88 : 98,835.45 = 15,971.43 : x
  2. Step 2: Convert to fraction form
    65,890.88/98,835.45 = 15,971.43/x
  3. Step 3: Cross multiply
    65,890.88x = 98,835.45 × 15,971.43
  4. Step 4: Simplify right side
    65,890.88x = 1,578,543,471.19
  5. Step 5: Solve for x
    x = 1,578,543,471.19/65,890.88
  6. Step 6: Final answer
    x = 23,956.93

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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.