Home / 39,489.06-54,494.80-21,584.19

Finding the Fourth Proportional to 39,489.06, 54,494.80 and 21,584.19

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Solution

The fourth proportional to 39,489.06, 54,494.80 and 21,584.19 is: 29,786.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,489.06 : 54,494.80 = 21,584.19 : x
  2. Step 2: Convert to fraction form
    39,489.06/54,494.80 = 21,584.19/x
  3. Step 3: Cross multiply
    39,489.06x = 54,494.80 × 21,584.19
  4. Step 4: Simplify right side
    39,489.06x = 1,176,226,117.21
  5. Step 5: Solve for x
    x = 1,176,226,117.21/39,489.06
  6. Step 6: Final answer
    x = 29,786.13

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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.