Home / 39,146.58-54,018.63-22,152.38

Finding the Fourth Proportional to 39,146.58, 54,018.63 and 22,152.38

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Solution

The fourth proportional to 39,146.58, 54,018.63 and 22,152.38 is: 30,568.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,146.58 : 54,018.63 = 22,152.38 : x
  2. Step 2: Convert to fraction form
    39,146.58/54,018.63 = 22,152.38/x
  3. Step 3: Cross multiply
    39,146.58x = 54,018.63 × 22,152.38
  4. Step 4: Simplify right side
    39,146.58x = 1,196,640,948.75
  5. Step 5: Solve for x
    x = 1,196,640,948.75/39,146.58
  6. Step 6: Final answer
    x = 30,568.21

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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.