Home / 30,958.32-42,722.99-17,529.22

Finding the Fourth Proportional to 30,958.32, 42,722.99 and 17,529.22

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Solution

The fourth proportional to 30,958.32, 42,722.99 and 17,529.22 is: 24,190.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,958.32 : 42,722.99 = 17,529.22 : x
  2. Step 2: Convert to fraction form
    30,958.32/42,722.99 = 17,529.22/x
  3. Step 3: Cross multiply
    30,958.32x = 42,722.99 × 17,529.22
  4. Step 4: Simplify right side
    30,958.32x = 748,900,690.77
  5. Step 5: Solve for x
    x = 748,900,690.77/30,958.32
  6. Step 6: Final answer
    x = 24,190.61

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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.