Home / 39,792.28-59,576.10-21,029.80

Finding the Fourth Proportional to 39,792.28, 59,576.10 and 21,029.80

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Solution

The fourth proportional to 39,792.28, 59,576.10 and 21,029.80 is: 31,485.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,792.28 : 59,576.10 = 21,029.80 : x
  2. Step 2: Convert to fraction form
    39,792.28/59,576.10 = 21,029.80/x
  3. Step 3: Cross multiply
    39,792.28x = 59,576.10 × 21,029.80
  4. Step 4: Simplify right side
    39,792.28x = 1,252,873,467.78
  5. Step 5: Solve for x
    x = 1,252,873,467.78/39,792.28
  6. Step 6: Final answer
    x = 31,485.34

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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.