Home / 30,956.98-42,723.28-17,530.60

Finding the Fourth Proportional to 30,956.98, 42,723.28 and 17,530.60

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Solution

The fourth proportional to 30,956.98, 42,723.28 and 17,530.60 is: 24,193.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,956.98 : 42,723.28 = 17,530.60 : x
  2. Step 2: Convert to fraction form
    30,956.98/42,723.28 = 17,530.60/x
  3. Step 3: Cross multiply
    30,956.98x = 42,723.28 × 17,530.60
  4. Step 4: Simplify right side
    30,956.98x = 748,964,732.37
  5. Step 5: Solve for x
    x = 748,964,732.37/30,956.98
  6. Step 6: Final answer
    x = 24,193.73

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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.