Home / 39,389.88-54,368.37-22,404.06

Finding the Fourth Proportional to 39,389.88, 54,368.37 and 22,404.06

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Solution

The fourth proportional to 39,389.88, 54,368.37 and 22,404.06 is: 30,923.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,389.88 : 54,368.37 = 22,404.06 : x
  2. Step 2: Convert to fraction form
    39,389.88/54,368.37 = 22,404.06/x
  3. Step 3: Cross multiply
    39,389.88x = 54,368.37 × 22,404.06
  4. Step 4: Simplify right side
    39,389.88x = 1,218,072,223.58
  5. Step 5: Solve for x
    x = 1,218,072,223.58/39,389.88
  6. Step 6: Final answer
    x = 30,923.48

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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.