Home / 35,447.76-48,913.45-20,338.42

Finding the Fourth Proportional to 35,447.76, 48,913.45 and 20,338.42

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Solution

The fourth proportional to 35,447.76, 48,913.45 and 20,338.42 is: 28,064.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,447.76 : 48,913.45 = 20,338.42 : x
  2. Step 2: Convert to fraction form
    35,447.76/48,913.45 = 20,338.42/x
  3. Step 3: Cross multiply
    35,447.76x = 48,913.45 × 20,338.42
  4. Step 4: Simplify right side
    35,447.76x = 994,822,289.75
  5. Step 5: Solve for x
    x = 994,822,289.75/35,447.76
  6. Step 6: Final answer
    x = 28,064.46

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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.