Home / 38,606.36-57,918.04-21,974.22

Finding the Fourth Proportional to 38,606.36, 57,918.04 and 21,974.22

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Solution

The fourth proportional to 38,606.36, 57,918.04 and 21,974.22 is: 32,966.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,606.36 : 57,918.04 = 21,974.22 : x
  2. Step 2: Convert to fraction form
    38,606.36/57,918.04 = 21,974.22/x
  3. Step 3: Cross multiply
    38,606.36x = 57,918.04 × 21,974.22
  4. Step 4: Simplify right side
    38,606.36x = 1,272,703,752.93
  5. Step 5: Solve for x
    x = 1,272,703,752.93/38,606.36
  6. Step 6: Final answer
    x = 32,966.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.