Home / 30,042.96-45,033.60-15,206.88

Finding the Fourth Proportional to 30,042.96, 45,033.60 and 15,206.88

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Solution

The fourth proportional to 30,042.96, 45,033.60 and 15,206.88 is: 22,794.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,042.96 : 45,033.60 = 15,206.88 : x
  2. Step 2: Convert to fraction form
    30,042.96/45,033.60 = 15,206.88/x
  3. Step 3: Cross multiply
    30,042.96x = 45,033.60 × 15,206.88
  4. Step 4: Simplify right side
    30,042.96x = 684,820,551.17
  5. Step 5: Solve for x
    x = 684,820,551.17/30,042.96
  6. Step 6: Final answer
    x = 22,794.71

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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.