Home / 39,371.70-54,384.78-29,183.36

Finding the Fourth Proportional to 39,371.70, 54,384.78 and 29,183.36

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Solution

The fourth proportional to 39,371.70, 54,384.78 and 29,183.36 is: 40,311.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,371.70 : 54,384.78 = 29,183.36 : x
  2. Step 2: Convert to fraction form
    39,371.70/54,384.78 = 29,183.36/x
  3. Step 3: Cross multiply
    39,371.70x = 54,384.78 × 29,183.36
  4. Step 4: Simplify right side
    39,371.70x = 1,587,130,613.26
  5. Step 5: Solve for x
    x = 1,587,130,613.26/39,371.70
  6. Step 6: Final answer
    x = 40,311.46

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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.