Home / 39,574.73-54,613.13-21,670.83

Finding the Fourth Proportional to 39,574.73, 54,613.13 and 21,670.83

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Solution

The fourth proportional to 39,574.73, 54,613.13 and 21,670.83 is: 29,905.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,574.73 : 54,613.13 = 21,670.83 : x
  2. Step 2: Convert to fraction form
    39,574.73/54,613.13 = 21,670.83/x
  3. Step 3: Cross multiply
    39,574.73x = 54,613.13 × 21,670.83
  4. Step 4: Simplify right side
    39,574.73x = 1,183,511,856.00
  5. Step 5: Solve for x
    x = 1,183,511,856.00/39,574.73
  6. Step 6: Final answer
    x = 29,905.75

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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.