Home / 65,091.89-97,633.71-20,750.46

Finding the Fourth Proportional to 65,091.89, 97,633.71 and 20,750.46

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Solution

The fourth proportional to 65,091.89, 97,633.71 and 20,750.46 is: 31,124.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,091.89 : 97,633.71 = 20,750.46 : x
  2. Step 2: Convert to fraction form
    65,091.89/97,633.71 = 20,750.46/x
  3. Step 3: Cross multiply
    65,091.89x = 97,633.71 × 20,750.46
  4. Step 4: Simplify right side
    65,091.89x = 2,025,944,394.01
  5. Step 5: Solve for x
    x = 2,025,944,394.01/65,091.89
  6. Step 6: Final answer
    x = 31,124.38

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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.