Home / 39,172.24-54,054.12-22,404.88

Finding the Fourth Proportional to 39,172.24, 54,054.12 and 22,404.88

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Solution

The fourth proportional to 39,172.24, 54,054.12 and 22,404.88 is: 30,916.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,172.24 : 54,054.12 = 22,404.88 : x
  2. Step 2: Convert to fraction form
    39,172.24/54,054.12 = 22,404.88/x
  3. Step 3: Cross multiply
    39,172.24x = 54,054.12 × 22,404.88
  4. Step 4: Simplify right side
    39,172.24x = 1,211,076,072.11
  5. Step 5: Solve for x
    x = 1,211,076,072.11/39,172.24
  6. Step 6: Final answer
    x = 30,916.69

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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.