Home / 37,209.72-51,349.80-20,214.30

Finding the Fourth Proportional to 37,209.72, 51,349.80 and 20,214.30

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Solution

The fourth proportional to 37,209.72, 51,349.80 and 20,214.30 is: 27,895.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,209.72 : 51,349.80 = 20,214.30 : x
  2. Step 2: Convert to fraction form
    37,209.72/51,349.80 = 20,214.30/x
  3. Step 3: Cross multiply
    37,209.72x = 51,349.80 × 20,214.30
  4. Step 4: Simplify right side
    37,209.72x = 1,038,000,262.14
  5. Step 5: Solve for x
    x = 1,038,000,262.14/37,209.72
  6. Step 6: Final answer
    x = 27,895.94

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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.