Home / 35,468.81-48,951.39-20,366.20

Finding the Fourth Proportional to 35,468.81, 48,951.39 and 20,366.20

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Solution

The fourth proportional to 35,468.81, 48,951.39 and 20,366.20 is: 28,107.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,468.81 : 48,951.39 = 20,366.20 : x
  2. Step 2: Convert to fraction form
    35,468.81/48,951.39 = 20,366.20/x
  3. Step 3: Cross multiply
    35,468.81x = 48,951.39 × 20,366.20
  4. Step 4: Simplify right side
    35,468.81x = 996,953,799.02
  5. Step 5: Solve for x
    x = 996,953,799.02/35,468.81
  6. Step 6: Final answer
    x = 28,107.90

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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.