Home / 45,371.12-68,056.68-12,089.44

Finding the Fourth Proportional to 45,371.12, 68,056.68 and 12,089.44

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Solution

The fourth proportional to 45,371.12, 68,056.68 and 12,089.44 is: 18,134.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,371.12 : 68,056.68 = 12,089.44 : x
  2. Step 2: Convert to fraction form
    45,371.12/68,056.68 = 12,089.44/x
  3. Step 3: Cross multiply
    45,371.12x = 68,056.68 × 12,089.44
  4. Step 4: Simplify right side
    45,371.12x = 822,767,149.46
  5. Step 5: Solve for x
    x = 822,767,149.46/45,371.12
  6. Step 6: Final answer
    x = 18,134.16

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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.