Home / 39,445.95-54,435.72-22,451.49

Finding the Fourth Proportional to 39,445.95, 54,435.72 and 22,451.49

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Solution

The fourth proportional to 39,445.95, 54,435.72 and 22,451.49 is: 30,983.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,445.95 : 54,435.72 = 22,451.49 : x
  2. Step 2: Convert to fraction form
    39,445.95/54,435.72 = 22,451.49/x
  3. Step 3: Cross multiply
    39,445.95x = 54,435.72 × 22,451.49
  4. Step 4: Simplify right side
    39,445.95x = 1,222,163,023.22
  5. Step 5: Solve for x
    x = 1,222,163,023.22/39,445.95
  6. Step 6: Final answer
    x = 30,983.23

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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.