Home / 30,108.44-45,162.66-12,568.70

Finding the Fourth Proportional to 30,108.44, 45,162.66 and 12,568.70

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Solution

The fourth proportional to 30,108.44, 45,162.66 and 12,568.70 is: 18,853.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,108.44 : 45,162.66 = 12,568.70 : x
  2. Step 2: Convert to fraction form
    30,108.44/45,162.66 = 12,568.70/x
  3. Step 3: Cross multiply
    30,108.44x = 45,162.66 × 12,568.70
  4. Step 4: Simplify right side
    30,108.44x = 567,636,084.78
  5. Step 5: Solve for x
    x = 567,636,084.78/30,108.44
  6. Step 6: Final answer
    x = 18,853.05

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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.