Home / 37,617.68-51,912.06-20,622.89

Finding the Fourth Proportional to 37,617.68, 51,912.06 and 20,622.89

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Solution

The fourth proportional to 37,617.68, 51,912.06 and 20,622.89 is: 28,459.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,617.68 : 51,912.06 = 20,622.89 : x
  2. Step 2: Convert to fraction form
    37,617.68/51,912.06 = 20,622.89/x
  3. Step 3: Cross multiply
    37,617.68x = 51,912.06 × 20,622.89
  4. Step 4: Simplify right side
    37,617.68x = 1,070,576,703.05
  5. Step 5: Solve for x
    x = 1,070,576,703.05/37,617.68
  6. Step 6: Final answer
    x = 28,459.40

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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.