Home / 39,565.56-54,601.12-21,660.26

Finding the Fourth Proportional to 39,565.56, 54,601.12 and 21,660.26

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Solution

The fourth proportional to 39,565.56, 54,601.12 and 21,660.26 is: 29,891.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,565.56 : 54,601.12 = 21,660.26 : x
  2. Step 2: Convert to fraction form
    39,565.56/54,601.12 = 21,660.26/x
  3. Step 3: Cross multiply
    39,565.56x = 54,601.12 × 21,660.26
  4. Step 4: Simplify right side
    39,565.56x = 1,182,674,455.49
  5. Step 5: Solve for x
    x = 1,182,674,455.49/39,565.56
  6. Step 6: Final answer
    x = 29,891.51

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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.