Home / 39,124.40-58,600.20-20,634.80

Finding the Fourth Proportional to 39,124.40, 58,600.20 and 20,634.80

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Solution

The fourth proportional to 39,124.40, 58,600.20 and 20,634.80 is: 30,906.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,124.40 : 58,600.20 = 20,634.80 : x
  2. Step 2: Convert to fraction form
    39,124.40/58,600.20 = 20,634.80/x
  3. Step 3: Cross multiply
    39,124.40x = 58,600.20 × 20,634.80
  4. Step 4: Simplify right side
    39,124.40x = 1,209,203,406.96
  5. Step 5: Solve for x
    x = 1,209,203,406.96/39,124.40
  6. Step 6: Final answer
    x = 30,906.63

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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.