Home / 37,902.08-52,305.28-21,135.36

Finding the Fourth Proportional to 37,902.08, 52,305.28 and 21,135.36

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Solution

The fourth proportional to 37,902.08, 52,305.28 and 21,135.36 is: 29,167.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,902.08 : 52,305.28 = 21,135.36 : x
  2. Step 2: Convert to fraction form
    37,902.08/52,305.28 = 21,135.36/x
  3. Step 3: Cross multiply
    37,902.08x = 52,305.28 × 21,135.36
  4. Step 4: Simplify right side
    37,902.08x = 1,105,490,922.70
  5. Step 5: Solve for x
    x = 1,105,490,922.70/37,902.08
  6. Step 6: Final answer
    x = 29,167.03

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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.