Home / 45,957.28-68,970.24-34,138.36

Finding the Fourth Proportional to 45,957.28, 68,970.24 and 34,138.36

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Solution

The fourth proportional to 45,957.28, 68,970.24 and 34,138.36 is: 51,233.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,957.28 : 68,970.24 = 34,138.36 : x
  2. Step 2: Convert to fraction form
    45,957.28/68,970.24 = 34,138.36/x
  3. Step 3: Cross multiply
    45,957.28x = 68,970.24 × 34,138.36
  4. Step 4: Simplify right side
    45,957.28x = 2,354,530,882.41
  5. Step 5: Solve for x
    x = 2,354,530,882.41/45,957.28
  6. Step 6: Final answer
    x = 51,233.03

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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.