Home / 45,528.11-68,283.89-12,240.41

Finding the Fourth Proportional to 45,528.11, 68,283.89 and 12,240.41

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Solution

The fourth proportional to 45,528.11, 68,283.89 and 12,240.41 is: 18,358.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,528.11 : 68,283.89 = 12,240.41 : x
  2. Step 2: Convert to fraction form
    45,528.11/68,283.89 = 12,240.41/x
  3. Step 3: Cross multiply
    45,528.11x = 68,283.89 × 12,240.41
  4. Step 4: Simplify right side
    45,528.11x = 835,822,407.37
  5. Step 5: Solve for x
    x = 835,822,407.37/45,528.11
  6. Step 6: Final answer
    x = 18,358.38

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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.