Home / 39,176.14-54,062.22-21,270.99

Finding the Fourth Proportional to 39,176.14, 54,062.22 and 21,270.99

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Solution

The fourth proportional to 39,176.14, 54,062.22 and 21,270.99 is: 29,353.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,176.14 : 54,062.22 = 21,270.99 : x
  2. Step 2: Convert to fraction form
    39,176.14/54,062.22 = 21,270.99/x
  3. Step 3: Cross multiply
    39,176.14x = 54,062.22 × 21,270.99
  4. Step 4: Simplify right side
    39,176.14x = 1,149,956,799.75
  5. Step 5: Solve for x
    x = 1,149,956,799.75/39,176.14
  6. Step 6: Final answer
    x = 29,353.50

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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.