Home / 39,969.50-55,157.99-22,064.52

Finding the Fourth Proportional to 39,969.50, 55,157.99 and 22,064.52

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Solution

The fourth proportional to 39,969.50, 55,157.99 and 22,064.52 is: 30,449.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,969.50 : 55,157.99 = 22,064.52 : x
  2. Step 2: Convert to fraction form
    39,969.50/55,157.99 = 22,064.52/x
  3. Step 3: Cross multiply
    39,969.50x = 55,157.99 × 22,064.52
  4. Step 4: Simplify right side
    39,969.50x = 1,217,034,670.03
  5. Step 5: Solve for x
    x = 1,217,034,670.03/39,969.50
  6. Step 6: Final answer
    x = 30,449.09

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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.