Home / 37,055.52-51,136.20-20,288.52

Finding the Fourth Proportional to 37,055.52, 51,136.20 and 20,288.52

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Solution

The fourth proportional to 37,055.52, 51,136.20 and 20,288.52 is: 27,997.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,055.52 : 51,136.20 = 20,288.52 : x
  2. Step 2: Convert to fraction form
    37,055.52/51,136.20 = 20,288.52/x
  3. Step 3: Cross multiply
    37,055.52x = 51,136.20 × 20,288.52
  4. Step 4: Simplify right side
    37,055.52x = 1,037,477,816.42
  5. Step 5: Solve for x
    x = 1,037,477,816.42/37,055.52
  6. Step 6: Final answer
    x = 27,997.93

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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.