Home / 38,588.12-53,252.62-21,591.80

Finding the Fourth Proportional to 38,588.12, 53,252.62 and 21,591.80

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Solution

The fourth proportional to 38,588.12, 53,252.62 and 21,591.80 is: 29,797.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,588.12 : 53,252.62 = 21,591.80 : x
  2. Step 2: Convert to fraction form
    38,588.12/53,252.62 = 21,591.80/x
  3. Step 3: Cross multiply
    38,588.12x = 53,252.62 × 21,591.80
  4. Step 4: Simplify right side
    38,588.12x = 1,149,819,920.52
  5. Step 5: Solve for x
    x = 1,149,819,920.52/38,588.12
  6. Step 6: Final answer
    x = 29,797.25

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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.