Home / 39,442.95-54,431.57-22,448.49

Finding the Fourth Proportional to 39,442.95, 54,431.57 and 22,448.49

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Solution

The fourth proportional to 39,442.95, 54,431.57 and 22,448.49 is: 30,979.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,442.95 : 54,431.57 = 22,448.49 : x
  2. Step 2: Convert to fraction form
    39,442.95/54,431.57 = 22,448.49/x
  3. Step 3: Cross multiply
    39,442.95x = 54,431.57 × 22,448.49
  4. Step 4: Simplify right side
    39,442.95x = 1,221,906,356.02
  5. Step 5: Solve for x
    x = 1,221,906,356.02/39,442.95
  6. Step 6: Final answer
    x = 30,979.08

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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.