Home / 39,910.50-55,070.34-23,772.90

Finding the Fourth Proportional to 39,910.50, 55,070.34 and 23,772.90

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Solution

The fourth proportional to 39,910.50, 55,070.34 and 23,772.90 is: 32,802.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,910.50 : 55,070.34 = 23,772.90 : x
  2. Step 2: Convert to fraction form
    39,910.50/55,070.34 = 23,772.90/x
  3. Step 3: Cross multiply
    39,910.50x = 55,070.34 × 23,772.90
  4. Step 4: Simplify right side
    39,910.50x = 1,309,181,685.79
  5. Step 5: Solve for x
    x = 1,309,181,685.79/39,910.50
  6. Step 6: Final answer
    x = 32,802.94

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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.