Home / 30,958.83-42,723.68-17,529.72

Finding the Fourth Proportional to 30,958.83, 42,723.68 and 17,529.72

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Solution

The fourth proportional to 30,958.83, 42,723.68 and 17,529.72 is: 24,191.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,958.83 : 42,723.68 = 17,529.72 : x
  2. Step 2: Convert to fraction form
    30,958.83/42,723.68 = 17,529.72/x
  3. Step 3: Cross multiply
    30,958.83x = 42,723.68 × 17,529.72
  4. Step 4: Simplify right side
    30,958.83x = 748,934,060.12
  5. Step 5: Solve for x
    x = 748,934,060.12/30,958.83
  6. Step 6: Final answer
    x = 24,191.29

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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.