Home / 35,903.82-49,548.12-19,989.34

Finding the Fourth Proportional to 35,903.82, 49,548.12 and 19,989.34

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Solution

The fourth proportional to 35,903.82, 49,548.12 and 19,989.34 is: 27,585.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,903.82 : 49,548.12 = 19,989.34 : x
  2. Step 2: Convert to fraction form
    35,903.82/49,548.12 = 19,989.34/x
  3. Step 3: Cross multiply
    35,903.82x = 49,548.12 × 19,989.34
  4. Step 4: Simplify right side
    35,903.82x = 990,434,217.04
  5. Step 5: Solve for x
    x = 990,434,217.04/35,903.82
  6. Step 6: Final answer
    x = 27,585.77

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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.