Home / 39,723.65-59,494.72-18,961.73

Finding the Fourth Proportional to 39,723.65, 59,494.72 and 18,961.73

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Solution

The fourth proportional to 39,723.65, 59,494.72 and 18,961.73 is: 28,399.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,723.65 : 59,494.72 = 18,961.73 : x
  2. Step 2: Convert to fraction form
    39,723.65/59,494.72 = 18,961.73/x
  3. Step 3: Cross multiply
    39,723.65x = 59,494.72 × 18,961.73
  4. Step 4: Simplify right side
    39,723.65x = 1,128,122,817.07
  5. Step 5: Solve for x
    x = 1,128,122,817.07/39,723.65
  6. Step 6: Final answer
    x = 28,399.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.