Home / 37,782.48-56,893.32-27,991.20

Finding the Fourth Proportional to 37,782.48, 56,893.32 and 27,991.20

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Solution

The fourth proportional to 37,782.48, 56,893.32 and 27,991.20 is: 42,149.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,782.48 : 56,893.32 = 27,991.20 : x
  2. Step 2: Convert to fraction form
    37,782.48/56,893.32 = 27,991.20/x
  3. Step 3: Cross multiply
    37,782.48x = 56,893.32 × 27,991.20
  4. Step 4: Simplify right side
    37,782.48x = 1,592,512,298.78
  5. Step 5: Solve for x
    x = 1,592,512,298.78/37,782.48
  6. Step 6: Final answer
    x = 42,149.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.