Home / 37,136.58-51,248.19-20,140.45

Finding the Fourth Proportional to 37,136.58, 51,248.19 and 20,140.45

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Solution

The fourth proportional to 37,136.58, 51,248.19 and 20,140.45 is: 27,793.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,136.58 : 51,248.19 = 20,140.45 : x
  2. Step 2: Convert to fraction form
    37,136.58/51,248.19 = 20,140.45/x
  3. Step 3: Cross multiply
    37,136.58x = 51,248.19 × 20,140.45
  4. Step 4: Simplify right side
    37,136.58x = 1,032,161,555.69
  5. Step 5: Solve for x
    x = 1,032,161,555.69/37,136.58
  6. Step 6: Final answer
    x = 27,793.66

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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.