Home / 76,426.18-114,633.84-20,265.04

Finding the Fourth Proportional to 76,426.18, 114,633.84 and 20,265.04

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Solution

The fourth proportional to 76,426.18, 114,633.84 and 20,265.04 is: 30,396.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,426.18 : 114,633.84 = 20,265.04 : x
  2. Step 2: Convert to fraction form
    76,426.18/114,633.84 = 20,265.04/x
  3. Step 3: Cross multiply
    76,426.18x = 114,633.84 × 20,265.04
  4. Step 4: Simplify right side
    76,426.18x = 2,323,059,352.95
  5. Step 5: Solve for x
    x = 2,323,059,352.95/76,426.18
  6. Step 6: Final answer
    x = 30,396.12

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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.