Home / 65,761.83-98,652.29-20,767.95

Finding the Fourth Proportional to 65,761.83, 98,652.29 and 20,767.95

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Solution

The fourth proportional to 65,761.83, 98,652.29 and 20,767.95 is: 31,154.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,761.83 : 98,652.29 = 20,767.95 : x
  2. Step 2: Convert to fraction form
    65,761.83/98,652.29 = 20,767.95/x
  3. Step 3: Cross multiply
    65,761.83x = 98,652.29 × 20,767.95
  4. Step 4: Simplify right side
    65,761.83x = 2,048,805,722.27
  5. Step 5: Solve for x
    x = 2,048,805,722.27/65,761.83
  6. Step 6: Final answer
    x = 31,154.94

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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.