Home / 71,184.48-98,231.94-40,979.58

Finding the Fourth Proportional to 71,184.48, 98,231.94 and 40,979.58

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Solution

The fourth proportional to 71,184.48, 98,231.94 and 40,979.58 is: 56,550.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,184.48 : 98,231.94 = 40,979.58 : x
  2. Step 2: Convert to fraction form
    71,184.48/98,231.94 = 40,979.58/x
  3. Step 3: Cross multiply
    71,184.48x = 98,231.94 × 40,979.58
  4. Step 4: Simplify right side
    71,184.48x = 4,025,503,643.79
  5. Step 5: Solve for x
    x = 4,025,503,643.79/71,184.48
  6. Step 6: Final answer
    x = 56,550.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.