Home / 29,580.48-40,837.68-20,519.04

Finding the Fourth Proportional to 29,580.48, 40,837.68 and 20,519.04

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Solution

The fourth proportional to 29,580.48, 40,837.68 and 20,519.04 is: 28,327.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,580.48 : 40,837.68 = 20,519.04 : x
  2. Step 2: Convert to fraction form
    29,580.48/40,837.68 = 20,519.04/x
  3. Step 3: Cross multiply
    29,580.48x = 40,837.68 × 20,519.04
  4. Step 4: Simplify right side
    29,580.48x = 837,949,989.43
  5. Step 5: Solve for x
    x = 837,949,989.43/29,580.48
  6. Step 6: Final answer
    x = 28,327.80

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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.