Home / 30,963.11-42,731.73-17,536.76

Finding the Fourth Proportional to 30,963.11, 42,731.73 and 17,536.76

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Solution

The fourth proportional to 30,963.11, 42,731.73 and 17,536.76 is: 24,202.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,963.11 : 42,731.73 = 17,536.76 : x
  2. Step 2: Convert to fraction form
    30,963.11/42,731.73 = 17,536.76/x
  3. Step 3: Cross multiply
    30,963.11x = 42,731.73 × 17,536.76
  4. Step 4: Simplify right side
    30,963.11x = 749,375,879.74
  5. Step 5: Solve for x
    x = 749,375,879.74/30,963.11
  6. Step 6: Final answer
    x = 24,202.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.