Home / 35,313.41-48,720.62-19,997.87

Finding the Fourth Proportional to 35,313.41, 48,720.62 and 19,997.87

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Solution

The fourth proportional to 35,313.41, 48,720.62 and 19,997.87 is: 27,590.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,313.41 : 48,720.62 = 19,997.87 : x
  2. Step 2: Convert to fraction form
    35,313.41/48,720.62 = 19,997.87/x
  3. Step 3: Cross multiply
    35,313.41x = 48,720.62 × 19,997.87
  4. Step 4: Simplify right side
    35,313.41x = 974,308,431.47
  5. Step 5: Solve for x
    x = 974,308,431.47/35,313.41
  6. Step 6: Final answer
    x = 27,590.32

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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.