Home / 35,197.60-48,568.08-21,045.28

Finding the Fourth Proportional to 35,197.60, 48,568.08 and 21,045.28

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Solution

The fourth proportional to 35,197.60, 48,568.08 and 21,045.28 is: 29,039.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,197.60 : 48,568.08 = 21,045.28 : x
  2. Step 2: Convert to fraction form
    35,197.60/48,568.08 = 21,045.28/x
  3. Step 3: Cross multiply
    35,197.60x = 48,568.08 × 21,045.28
  4. Step 4: Simplify right side
    35,197.60x = 1,022,128,842.66
  5. Step 5: Solve for x
    x = 1,022,128,842.66/35,197.60
  6. Step 6: Final answer
    x = 29,039.73

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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.