Home / 54,644.13-75,412.79-30,447.11

Finding the Fourth Proportional to 54,644.13, 75,412.79 and 30,447.11

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Solution

The fourth proportional to 54,644.13, 75,412.79 and 30,447.11 is: 42,019.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,644.13 : 75,412.79 = 30,447.11 : x
  2. Step 2: Convert to fraction form
    54,644.13/75,412.79 = 30,447.11/x
  3. Step 3: Cross multiply
    54,644.13x = 75,412.79 × 30,447.11
  4. Step 4: Simplify right side
    54,644.13x = 2,296,100,983.24
  5. Step 5: Solve for x
    x = 2,296,100,983.24/54,644.13
  6. Step 6: Final answer
    x = 42,019.17

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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.