Home / 30,163.43-45,239.20-10,170.97

Finding the Fourth Proportional to 30,163.43, 45,239.20 and 10,170.97

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Solution

The fourth proportional to 30,163.43, 45,239.20 and 10,170.97 is: 15,254.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,163.43 : 45,239.20 = 10,170.97 : x
  2. Step 2: Convert to fraction form
    30,163.43/45,239.20 = 10,170.97/x
  3. Step 3: Cross multiply
    30,163.43x = 45,239.20 × 10,170.97
  4. Step 4: Simplify right side
    30,163.43x = 460,126,495.17
  5. Step 5: Solve for x
    x = 460,126,495.17/30,163.43
  6. Step 6: Final answer
    x = 15,254.45

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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.