Home / 45,439.43-68,154.28-15,857.83

Finding the Fourth Proportional to 45,439.43, 68,154.28 and 15,857.83

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Solution

The fourth proportional to 45,439.43, 68,154.28 and 15,857.83 is: 23,785.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,439.43 : 68,154.28 = 15,857.83 : x
  2. Step 2: Convert to fraction form
    45,439.43/68,154.28 = 15,857.83/x
  3. Step 3: Cross multiply
    45,439.43x = 68,154.28 × 15,857.83
  4. Step 4: Simplify right side
    45,439.43x = 1,080,778,986.01
  5. Step 5: Solve for x
    x = 1,080,778,986.01/45,439.43
  6. Step 6: Final answer
    x = 23,785.05

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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.