Home / 35,359.02-48,781.62-20,243.58

Finding the Fourth Proportional to 35,359.02, 48,781.62 and 20,243.58

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Solution

The fourth proportional to 35,359.02, 48,781.62 and 20,243.58 is: 27,928.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,359.02 : 48,781.62 = 20,243.58 : x
  2. Step 2: Convert to fraction form
    35,359.02/48,781.62 = 20,243.58/x
  3. Step 3: Cross multiply
    35,359.02x = 48,781.62 × 20,243.58
  4. Step 4: Simplify right side
    35,359.02x = 987,514,627.00
  5. Step 5: Solve for x
    x = 987,514,627.00/35,359.02
  6. Step 6: Final answer
    x = 27,928.22

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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.