Home / 30,599.42-42,227.96-17,171.74

Finding the Fourth Proportional to 30,599.42, 42,227.96 and 17,171.74

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Solution

The fourth proportional to 30,599.42, 42,227.96 and 17,171.74 is: 23,697.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,599.42 : 42,227.96 = 17,171.74 : x
  2. Step 2: Convert to fraction form
    30,599.42/42,227.96 = 17,171.74/x
  3. Step 3: Cross multiply
    30,599.42x = 42,227.96 × 17,171.74
  4. Step 4: Simplify right side
    30,599.42x = 725,127,358.42
  5. Step 5: Solve for x
    x = 725,127,358.42/30,599.42
  6. Step 6: Final answer
    x = 23,697.43

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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.