Home / 35,453.88-48,926.55-20,345.34

Finding the Fourth Proportional to 35,453.88, 48,926.55 and 20,345.34

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Solution

The fourth proportional to 35,453.88, 48,926.55 and 20,345.34 is: 28,076.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,453.88 : 48,926.55 = 20,345.34 : x
  2. Step 2: Convert to fraction form
    35,453.88/48,926.55 = 20,345.34/x
  3. Step 3: Cross multiply
    35,453.88x = 48,926.55 × 20,345.34
  4. Step 4: Simplify right side
    35,453.88x = 995,427,294.78
  5. Step 5: Solve for x
    x = 995,427,294.78/35,453.88
  6. Step 6: Final answer
    x = 28,076.68

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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.