Home / 81,380.23-122,056.36-24,453.24

Finding the Fourth Proportional to 81,380.23, 122,056.36 and 24,453.24

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Solution

The fourth proportional to 81,380.23, 122,056.36 and 24,453.24 is: 36,675.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,380.23 : 122,056.36 = 24,453.24 : x
  2. Step 2: Convert to fraction form
    81,380.23/122,056.36 = 24,453.24/x
  3. Step 3: Cross multiply
    81,380.23x = 122,056.36 × 24,453.24
  4. Step 4: Simplify right side
    81,380.23x = 2,984,673,464.61
  5. Step 5: Solve for x
    x = 2,984,673,464.61/81,380.23
  6. Step 6: Final answer
    x = 36,675.66

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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.