Home / 65,290.43-97,937.96-20,911.41

Finding the Fourth Proportional to 65,290.43, 97,937.96 and 20,911.41

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Solution

The fourth proportional to 65,290.43, 97,937.96 and 20,911.41 is: 31,367.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,290.43 : 97,937.96 = 20,911.41 : x
  2. Step 2: Convert to fraction form
    65,290.43/97,937.96 = 20,911.41/x
  3. Step 3: Cross multiply
    65,290.43x = 97,937.96 × 20,911.41
  4. Step 4: Simplify right side
    65,290.43x = 2,048,020,731.57
  5. Step 5: Solve for x
    x = 2,048,020,731.57/65,290.43
  6. Step 6: Final answer
    x = 31,367.85

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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.