Home / 65,815.55-98,723.24-21,442.23

Finding the Fourth Proportional to 65,815.55, 98,723.24 and 21,442.23

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Solution

The fourth proportional to 65,815.55, 98,723.24 and 21,442.23 is: 32,163.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,815.55 : 98,723.24 = 21,442.23 : x
  2. Step 2: Convert to fraction form
    65,815.55/98,723.24 = 21,442.23/x
  3. Step 3: Cross multiply
    65,815.55x = 98,723.24 × 21,442.23
  4. Step 4: Simplify right side
    65,815.55x = 2,116,846,311.21
  5. Step 5: Solve for x
    x = 2,116,846,311.21/65,815.55
  6. Step 6: Final answer
    x = 32,163.32

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1.5x scale

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.