Home / 35,345.85-48,777.28-20,243.52

Finding the Fourth Proportional to 35,345.85, 48,777.28 and 20,243.52

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Solution

The fourth proportional to 35,345.85, 48,777.28 and 20,243.52 is: 27,936.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,345.85 : 48,777.28 = 20,243.52 : x
  2. Step 2: Convert to fraction form
    35,345.85/48,777.28 = 20,243.52/x
  3. Step 3: Cross multiply
    35,345.85x = 48,777.28 × 20,243.52
  4. Step 4: Simplify right side
    35,345.85x = 987,423,792.62
  5. Step 5: Solve for x
    x = 987,423,792.62/35,345.85
  6. Step 6: Final answer
    x = 27,936.06

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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.