Home / 37,833.20-52,209.40-20,837.12

Finding the Fourth Proportional to 37,833.20, 52,209.40 and 20,837.12

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Solution

The fourth proportional to 37,833.20, 52,209.40 and 20,837.12 is: 28,755.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,833.20 : 52,209.40 = 20,837.12 : x
  2. Step 2: Convert to fraction form
    37,833.20/52,209.40 = 20,837.12/x
  3. Step 3: Cross multiply
    37,833.20x = 52,209.40 × 20,837.12
  4. Step 4: Simplify right side
    37,833.20x = 1,087,893,532.93
  5. Step 5: Solve for x
    x = 1,087,893,532.93/37,833.20
  6. Step 6: Final answer
    x = 28,755.00

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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.