Home / 39,091.20-58,615.20-16,900.80

Finding the Fourth Proportional to 39,091.20, 58,615.20 and 16,900.80

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Solution

The fourth proportional to 39,091.20, 58,615.20 and 16,900.80 is: 25,341.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,091.20 : 58,615.20 = 16,900.80 : x
  2. Step 2: Convert to fraction form
    39,091.20/58,615.20 = 16,900.80/x
  3. Step 3: Cross multiply
    39,091.20x = 58,615.20 × 16,900.80
  4. Step 4: Simplify right side
    39,091.20x = 990,643,772.16
  5. Step 5: Solve for x
    x = 990,643,772.16/39,091.20
  6. Step 6: Final answer
    x = 25,341.86

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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.