Home / 45,440.64-68,156.10-15,859.05

Finding the Fourth Proportional to 45,440.64, 68,156.10 and 15,859.05

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Solution

The fourth proportional to 45,440.64, 68,156.10 and 15,859.05 is: 23,786.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,440.64 : 68,156.10 = 15,859.05 : x
  2. Step 2: Convert to fraction form
    45,440.64/68,156.10 = 15,859.05/x
  3. Step 3: Cross multiply
    45,440.64x = 68,156.10 × 15,859.05
  4. Step 4: Simplify right side
    45,440.64x = 1,080,890,997.71
  5. Step 5: Solve for x
    x = 1,080,890,997.71/45,440.64
  6. Step 6: Final answer
    x = 23,786.88

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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.