Home / 45,404.10-68,106.15-12,124.29

Finding the Fourth Proportional to 45,404.10, 68,106.15 and 12,124.29

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Solution

The fourth proportional to 45,404.10, 68,106.15 and 12,124.29 is: 18,186.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,404.10 : 68,106.15 = 12,124.29 : x
  2. Step 2: Convert to fraction form
    45,404.10/68,106.15 = 12,124.29/x
  3. Step 3: Cross multiply
    45,404.10x = 68,106.15 × 12,124.29
  4. Step 4: Simplify right side
    45,404.10x = 825,738,713.38
  5. Step 5: Solve for x
    x = 825,738,713.38/45,404.10
  6. Step 6: Final answer
    x = 18,186.44

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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.