Home / 45,171.18-67,732.32-35,871.02

Finding the Fourth Proportional to 45,171.18, 67,732.32 and 35,871.02

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Solution

The fourth proportional to 45,171.18, 67,732.32 and 35,871.02 is: 53,787.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,171.18 : 67,732.32 = 35,871.02 : x
  2. Step 2: Convert to fraction form
    45,171.18/67,732.32 = 35,871.02/x
  3. Step 3: Cross multiply
    45,171.18x = 67,732.32 × 35,871.02
  4. Step 4: Simplify right side
    45,171.18x = 2,429,627,405.37
  5. Step 5: Solve for x
    x = 2,429,627,405.37/45,171.18
  6. Step 6: Final answer
    x = 53,787.11

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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.