Home / 65,845.20-98,799.24-30,779.76

Finding the Fourth Proportional to 65,845.20, 98,799.24 and 30,779.76

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Solution

The fourth proportional to 65,845.20, 98,799.24 and 30,779.76 is: 46,184.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,845.20 : 98,799.24 = 30,779.76 : x
  2. Step 2: Convert to fraction form
    65,845.20/98,799.24 = 30,779.76/x
  3. Step 3: Cross multiply
    65,845.20x = 98,799.24 × 30,779.76
  4. Step 4: Simplify right side
    65,845.20x = 3,041,016,895.38
  5. Step 5: Solve for x
    x = 3,041,016,895.38/65,845.20
  6. Step 6: Final answer
    x = 46,184.34

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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.