Home / 39,152.55-54,029.75-22,156.49

Finding the Fourth Proportional to 39,152.55, 54,029.75 and 22,156.49

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Solution

The fourth proportional to 39,152.55, 54,029.75 and 22,156.49 is: 30,575.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,152.55 : 54,029.75 = 22,156.49 : x
  2. Step 2: Convert to fraction form
    39,152.55/54,029.75 = 22,156.49/x
  3. Step 3: Cross multiply
    39,152.55x = 54,029.75 × 22,156.49
  4. Step 4: Simplify right side
    39,152.55x = 1,197,109,460.58
  5. Step 5: Solve for x
    x = 1,197,109,460.58/39,152.55
  6. Step 6: Final answer
    x = 30,575.52

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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.