Home / 39,827.33-54,963.18-21,923.09

Finding the Fourth Proportional to 39,827.33, 54,963.18 and 21,923.09

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Solution

The fourth proportional to 39,827.33, 54,963.18 and 21,923.09 is: 30,254.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,827.33 : 54,963.18 = 21,923.09 : x
  2. Step 2: Convert to fraction form
    39,827.33/54,963.18 = 21,923.09/x
  3. Step 3: Cross multiply
    39,827.33x = 54,963.18 × 21,923.09
  4. Step 4: Simplify right side
    39,827.33x = 1,204,962,741.83
  5. Step 5: Solve for x
    x = 1,204,962,741.83/39,827.33
  6. Step 6: Final answer
    x = 30,254.67

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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.