Home / 30,761.43-42,451.56-17,333.16

Finding the Fourth Proportional to 30,761.43, 42,451.56 and 17,333.16

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Solution

The fourth proportional to 30,761.43, 42,451.56 and 17,333.16 is: 23,920.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,761.43 : 42,451.56 = 17,333.16 : x
  2. Step 2: Convert to fraction form
    30,761.43/42,451.56 = 17,333.16/x
  3. Step 3: Cross multiply
    30,761.43x = 42,451.56 × 17,333.16
  4. Step 4: Simplify right side
    30,761.43x = 735,819,681.73
  5. Step 5: Solve for x
    x = 735,819,681.73/30,761.43
  6. Step 6: Final answer
    x = 23,920.20

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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.