Home / 30,961.44-42,727.68-17,532.40

Finding the Fourth Proportional to 30,961.44, 42,727.68 and 17,532.40

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Solution

The fourth proportional to 30,961.44, 42,727.68 and 17,532.40 is: 24,195.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,961.44 : 42,727.68 = 17,532.40 : x
  2. Step 2: Convert to fraction form
    30,961.44/42,727.68 = 17,532.40/x
  3. Step 3: Cross multiply
    30,961.44x = 42,727.68 × 17,532.40
  4. Step 4: Simplify right side
    30,961.44x = 749,118,776.83
  5. Step 5: Solve for x
    x = 749,118,776.83/30,961.44
  6. Step 6: Final answer
    x = 24,195.22

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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.