Home / 39,953.99-55,136.45-22,049.00

Finding the Fourth Proportional to 39,953.99, 55,136.45 and 22,049.00

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Solution

The fourth proportional to 39,953.99, 55,136.45 and 22,049.00 is: 30,427.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,953.99 : 55,136.45 = 22,049.00 : x
  2. Step 2: Convert to fraction form
    39,953.99/55,136.45 = 22,049.00/x
  3. Step 3: Cross multiply
    39,953.99x = 55,136.45 × 22,049.00
  4. Step 4: Simplify right side
    39,953.99x = 1,215,703,200.12
  5. Step 5: Solve for x
    x = 1,215,703,200.12/39,953.99
  6. Step 6: Final answer
    x = 30,427.58

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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.