Home / 45,254.70-67,890.15-18,962.10

Finding the Fourth Proportional to 45,254.70, 67,890.15 and 18,962.10

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Solution

The fourth proportional to 45,254.70, 67,890.15 and 18,962.10 is: 28,446.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,254.70 : 67,890.15 = 18,962.10 : x
  2. Step 2: Convert to fraction form
    45,254.70/67,890.15 = 18,962.10/x
  3. Step 3: Cross multiply
    45,254.70x = 67,890.15 × 18,962.10
  4. Step 4: Simplify right side
    45,254.70x = 1,287,339,813.32
  5. Step 5: Solve for x
    x = 1,287,339,813.32/45,254.70
  6. Step 6: Final answer
    x = 28,446.54

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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.