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Finding the Fourth Proportional to 37,143.43, 55,715.26 and 9,441.43

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Solution

The fourth proportional to 37,143.43, 55,715.26 and 9,441.43 is: 14,162.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,143.43 : 55,715.26 = 9,441.43 : x
  2. Step 2: Convert to fraction form
    37,143.43/55,715.26 = 9,441.43/x
  3. Step 3: Cross multiply
    37,143.43x = 55,715.26 × 9,441.43
  4. Step 4: Simplify right side
    37,143.43x = 526,031,727.22
  5. Step 5: Solve for x
    x = 526,031,727.22/37,143.43
  6. Step 6: Final answer
    x = 14,162.17

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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.