Home / 39,609.23-54,659.88-21,703.85

Finding the Fourth Proportional to 39,609.23, 54,659.88 and 21,703.85

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Solution

The fourth proportional to 39,609.23, 54,659.88 and 21,703.85 is: 29,950.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,609.23 : 54,659.88 = 21,703.85 : x
  2. Step 2: Convert to fraction form
    39,609.23/54,659.88 = 21,703.85/x
  3. Step 3: Cross multiply
    39,609.23x = 54,659.88 × 21,703.85
  4. Step 4: Simplify right side
    39,609.23x = 1,186,329,836.54
  5. Step 5: Solve for x
    x = 1,186,329,836.54/39,609.23
  6. Step 6: Final answer
    x = 29,950.84

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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.