Home / 45,099.54-67,652.28-11,820.42

Finding the Fourth Proportional to 45,099.54, 67,652.28 and 11,820.42

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Solution

The fourth proportional to 45,099.54, 67,652.28 and 11,820.42 is: 17,731.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,099.54 : 67,652.28 = 11,820.42 : x
  2. Step 2: Convert to fraction form
    45,099.54/67,652.28 = 11,820.42/x
  3. Step 3: Cross multiply
    45,099.54x = 67,652.28 × 11,820.42
  4. Step 4: Simplify right side
    45,099.54x = 799,678,363.56
  5. Step 5: Solve for x
    x = 799,678,363.56/45,099.54
  6. Step 6: Final answer
    x = 17,731.41

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1.5x scale

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.