Home / 38,776.41-58,121-19,747.66

Finding the Fourth Proportional to 38,776.41, 58,121 and 19,747.66

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Solution

The fourth proportional to 38,776.41, 58,121 and 19,747.66 is: 29,599.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,776.41 : 58,121 = 19,747.66 : x
  2. Step 2: Convert to fraction form
    38,776.41/58,121 = 19,747.66/x
  3. Step 3: Cross multiply
    38,776.41x = 58,121 × 19,747.66
  4. Step 4: Simplify right side
    38,776.41x = 1,147,753,746.86
  5. Step 5: Solve for x
    x = 1,147,753,746.86/38,776.41
  6. Step 6: Final answer
    x = 29,599.28

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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.