Home / 37,053.12-51,133.50-20,286.12

Finding the Fourth Proportional to 37,053.12, 51,133.50 and 20,286.12

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Solution

The fourth proportional to 37,053.12, 51,133.50 and 20,286.12 is: 27,994.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,053.12 : 51,133.50 = 20,286.12 : x
  2. Step 2: Convert to fraction form
    37,053.12/51,133.50 = 20,286.12/x
  3. Step 3: Cross multiply
    37,053.12x = 51,133.50 × 20,286.12
  4. Step 4: Simplify right side
    37,053.12x = 1,037,300,317.02
  5. Step 5: Solve for x
    x = 1,037,300,317.02/37,053.12
  6. Step 6: Final answer
    x = 27,994.95

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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.