Home / 31,154.04-46,732.68-18,753.75

Finding the Fourth Proportional to 31,154.04, 46,732.68 and 18,753.75

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Solution

The fourth proportional to 31,154.04, 46,732.68 and 18,753.75 is: 28,131.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,154.04 : 46,732.68 = 18,753.75 : x
  2. Step 2: Convert to fraction form
    31,154.04/46,732.68 = 18,753.75/x
  3. Step 3: Cross multiply
    31,154.04x = 46,732.68 × 18,753.75
  4. Step 4: Simplify right side
    31,154.04x = 876,412,997.55
  5. Step 5: Solve for x
    x = 876,412,997.55/31,154.04
  6. Step 6: Final answer
    x = 28,131.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.