Home / 39,000.75-53,821.05-22,008.60

Finding the Fourth Proportional to 39,000.75, 53,821.05 and 22,008.60

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Solution

The fourth proportional to 39,000.75, 53,821.05 and 22,008.60 is: 30,371.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,000.75 : 53,821.05 = 22,008.60 : x
  2. Step 2: Convert to fraction form
    39,000.75/53,821.05 = 22,008.60/x
  3. Step 3: Cross multiply
    39,000.75x = 53,821.05 × 22,008.60
  4. Step 4: Simplify right side
    39,000.75x = 1,184,525,961.03
  5. Step 5: Solve for x
    x = 1,184,525,961.03/39,000.75
  6. Step 6: Final answer
    x = 30,371.88

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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.