Home / 39,208.54-54,099.12-22,211.28

Finding the Fourth Proportional to 39,208.54, 54,099.12 and 22,211.28

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Solution

The fourth proportional to 39,208.54, 54,099.12 and 22,211.28 is: 30,646.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,208.54 : 54,099.12 = 22,211.28 : x
  2. Step 2: Convert to fraction form
    39,208.54/54,099.12 = 22,211.28/x
  3. Step 3: Cross multiply
    39,208.54x = 54,099.12 × 22,211.28
  4. Step 4: Simplify right side
    39,208.54x = 1,201,610,702.07
  5. Step 5: Solve for x
    x = 1,201,610,702.07/39,208.54
  6. Step 6: Final answer
    x = 30,646.66

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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.