Home / 35,741.05-49,318.67-19,821.51

Finding the Fourth Proportional to 35,741.05, 49,318.67 and 19,821.51

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Solution

The fourth proportional to 35,741.05, 49,318.67 and 19,821.51 is: 27,351.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,741.05 : 49,318.67 = 19,821.51 : x
  2. Step 2: Convert to fraction form
    35,741.05/49,318.67 = 19,821.51/x
  3. Step 3: Cross multiply
    35,741.05x = 49,318.67 × 19,821.51
  4. Step 4: Simplify right side
    35,741.05x = 977,570,560.15
  5. Step 5: Solve for x
    x = 977,570,560.15/35,741.05
  6. Step 6: Final answer
    x = 27,351.48

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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.