Home / 35,756.48-49,338.60-19,840.88

Finding the Fourth Proportional to 35,756.48, 49,338.60 and 19,840.88

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Solution

The fourth proportional to 35,756.48, 49,338.60 and 19,840.88 is: 27,377.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,756.48 : 49,338.60 = 19,840.88 : x
  2. Step 2: Convert to fraction form
    35,756.48/49,338.60 = 19,840.88/x
  3. Step 3: Cross multiply
    35,756.48x = 49,338.60 × 19,840.88
  4. Step 4: Simplify right side
    35,756.48x = 978,921,241.97
  5. Step 5: Solve for x
    x = 978,921,241.97/35,756.48
  6. Step 6: Final answer
    x = 27,377.45

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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.