Home / 45,266.90-67,900.34-18,612.77

Finding the Fourth Proportional to 45,266.90, 67,900.34 and 18,612.77

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Solution

The fourth proportional to 45,266.90, 67,900.34 and 18,612.77 is: 27,919.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,266.90 : 67,900.34 = 18,612.77 : x
  2. Step 2: Convert to fraction form
    45,266.90/67,900.34 = 18,612.77/x
  3. Step 3: Cross multiply
    45,266.90x = 67,900.34 × 18,612.77
  4. Step 4: Simplify right side
    45,266.90x = 1,263,813,118.37
  5. Step 5: Solve for x
    x = 1,263,813,118.37/45,266.90
  6. Step 6: Final answer
    x = 27,919.15

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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.