Home / 39,015-53,823.56-22,874.06

Finding the Fourth Proportional to 39,015, 53,823.56 and 22,874.06

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Solution

The fourth proportional to 39,015, 53,823.56 and 22,874.06 is: 31,556.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,015 : 53,823.56 = 22,874.06 : x
  2. Step 2: Convert to fraction form
    39,015/53,823.56 = 22,874.06/x
  3. Step 3: Cross multiply
    39,015x = 53,823.56 × 22,874.06
  4. Step 4: Simplify right side
    39,015x = 1,231,163,361.04
  5. Step 5: Solve for x
    x = 1,231,163,361.04/39,015
  6. Step 6: Final answer
    x = 31,556.15

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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.