Home / 47,022.39-64,921.30-29,136.38

Finding the Fourth Proportional to 47,022.39, 64,921.30 and 29,136.38

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Solution

The fourth proportional to 47,022.39, 64,921.30 and 29,136.38 is: 40,227.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,022.39 : 64,921.30 = 29,136.38 : x
  2. Step 2: Convert to fraction form
    47,022.39/64,921.30 = 29,136.38/x
  3. Step 3: Cross multiply
    47,022.39x = 64,921.30 × 29,136.38
  4. Step 4: Simplify right side
    47,022.39x = 1,891,571,269.45
  5. Step 5: Solve for x
    x = 1,891,571,269.45/47,022.39
  6. Step 6: Final answer
    x = 40,227.03

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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.