Home / 47,634.46-65,765.28-30,668.11

Finding the Fourth Proportional to 47,634.46, 65,765.28 and 30,668.11

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Solution

The fourth proportional to 47,634.46, 65,765.28 and 30,668.11 is: 42,341.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,634.46 : 65,765.28 = 30,668.11 : x
  2. Step 2: Convert to fraction form
    47,634.46/65,765.28 = 30,668.11/x
  3. Step 3: Cross multiply
    47,634.46x = 65,765.28 × 30,668.11
  4. Step 4: Simplify right side
    47,634.46x = 2,016,896,841.22
  5. Step 5: Solve for x
    x = 2,016,896,841.22/47,634.46
  6. Step 6: Final answer
    x = 42,341.13

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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.