Home / 45,219.18-67,841.94-20,253.66

Finding the Fourth Proportional to 45,219.18, 67,841.94 and 20,253.66

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Solution

The fourth proportional to 45,219.18, 67,841.94 and 20,253.66 is: 30,386.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,219.18 : 67,841.94 = 20,253.66 : x
  2. Step 2: Convert to fraction form
    45,219.18/67,841.94 = 20,253.66/x
  3. Step 3: Cross multiply
    45,219.18x = 67,841.94 × 20,253.66
  4. Step 4: Simplify right side
    45,219.18x = 1,374,047,586.50
  5. Step 5: Solve for x
    x = 1,374,047,586.50/45,219.18
  6. Step 6: Final answer
    x = 30,386.39

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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.