Home / 40,724.64-60,964.08-36,830.88

Finding the Fourth Proportional to 40,724.64, 60,964.08 and 36,830.88

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Solution

The fourth proportional to 40,724.64, 60,964.08 and 36,830.88 is: 55,135.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,724.64 : 60,964.08 = 36,830.88 : x
  2. Step 2: Convert to fraction form
    40,724.64/60,964.08 = 36,830.88/x
  3. Step 3: Cross multiply
    40,724.64x = 60,964.08 × 36,830.88
  4. Step 4: Simplify right side
    40,724.64x = 2,245,360,714.79
  5. Step 5: Solve for x
    x = 2,245,360,714.79/40,724.64
  6. Step 6: Final answer
    x = 55,135.19

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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.