Home / 81,011.41-121,520.76-24,847.43

Finding the Fourth Proportional to 81,011.41, 121,520.76 and 24,847.43

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Solution

The fourth proportional to 81,011.41, 121,520.76 and 24,847.43 is: 37,272.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,011.41 : 121,520.76 = 24,847.43 : x
  2. Step 2: Convert to fraction form
    81,011.41/121,520.76 = 24,847.43/x
  3. Step 3: Cross multiply
    81,011.41x = 121,520.76 × 24,847.43
  4. Step 4: Simplify right side
    81,011.41x = 3,019,478,577.65
  5. Step 5: Solve for x
    x = 3,019,478,577.65/81,011.41
  6. Step 6: Final answer
    x = 37,272.26

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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.