Home / 35,699.78-49,260.06-19,783.70

Finding the Fourth Proportional to 35,699.78, 49,260.06 and 19,783.70

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Solution

The fourth proportional to 35,699.78, 49,260.06 and 19,783.70 is: 27,298.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,699.78 : 49,260.06 = 19,783.70 : x
  2. Step 2: Convert to fraction form
    35,699.78/49,260.06 = 19,783.70/x
  3. Step 3: Cross multiply
    35,699.78x = 49,260.06 × 19,783.70
  4. Step 4: Simplify right side
    35,699.78x = 974,546,249.02
  5. Step 5: Solve for x
    x = 974,546,249.02/35,699.78
  6. Step 6: Final answer
    x = 27,298.38

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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.