Home / 35,839.86-49,447.45-19,921.24

Finding the Fourth Proportional to 35,839.86, 49,447.45 and 19,921.24

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Solution

The fourth proportional to 35,839.86, 49,447.45 and 19,921.24 is: 27,484.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,839.86 : 49,447.45 = 19,921.24 : x
  2. Step 2: Convert to fraction form
    35,839.86/49,447.45 = 19,921.24/x
  3. Step 3: Cross multiply
    35,839.86x = 49,447.45 × 19,921.24
  4. Step 4: Simplify right side
    35,839.86x = 985,054,518.84
  5. Step 5: Solve for x
    x = 985,054,518.84/35,839.86
  6. Step 6: Final answer
    x = 27,484.89

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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.