Home / 35,685.36-49,241.16-19,769.04

Finding the Fourth Proportional to 35,685.36, 49,241.16 and 19,769.04

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Solution

The fourth proportional to 35,685.36, 49,241.16 and 19,769.04 is: 27,278.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,685.36 : 49,241.16 = 19,769.04 : x
  2. Step 2: Convert to fraction form
    35,685.36/49,241.16 = 19,769.04/x
  3. Step 3: Cross multiply
    35,685.36x = 49,241.16 × 19,769.04
  4. Step 4: Simplify right side
    35,685.36x = 973,450,461.69
  5. Step 5: Solve for x
    x = 973,450,461.69/35,685.36
  6. Step 6: Final answer
    x = 27,278.71

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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.