Home / 37,200.81-51,337.17-20,205.06

Finding the Fourth Proportional to 37,200.81, 51,337.17 and 20,205.06

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Solution

The fourth proportional to 37,200.81, 51,337.17 and 20,205.06 is: 27,883.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,200.81 : 51,337.17 = 20,205.06 : x
  2. Step 2: Convert to fraction form
    37,200.81/51,337.17 = 20,205.06/x
  3. Step 3: Cross multiply
    37,200.81x = 51,337.17 × 20,205.06
  4. Step 4: Simplify right side
    37,200.81x = 1,037,270,600.08
  5. Step 5: Solve for x
    x = 1,037,270,600.08/37,200.81
  6. Step 6: Final answer
    x = 27,883.01

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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.