Home / 45,282.78-67,919.85-14,118.30

Finding the Fourth Proportional to 45,282.78, 67,919.85 and 14,118.30

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Solution

The fourth proportional to 45,282.78, 67,919.85 and 14,118.30 is: 21,176.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,282.78 : 67,919.85 = 14,118.30 : x
  2. Step 2: Convert to fraction form
    45,282.78/67,919.85 = 14,118.30/x
  3. Step 3: Cross multiply
    45,282.78x = 67,919.85 × 14,118.30
  4. Step 4: Simplify right side
    45,282.78x = 958,912,818.26
  5. Step 5: Solve for x
    x = 958,912,818.26/45,282.78
  6. Step 6: Final answer
    x = 21,176.10

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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.