Home / 35,330.61-48,753.39-20,219.83

Finding the Fourth Proportional to 35,330.61, 48,753.39 and 20,219.83

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Solution

The fourth proportional to 35,330.61, 48,753.39 and 20,219.83 is: 27,901.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,330.61 : 48,753.39 = 20,219.83 : x
  2. Step 2: Convert to fraction form
    35,330.61/48,753.39 = 20,219.83/x
  3. Step 3: Cross multiply
    35,330.61x = 48,753.39 × 20,219.83
  4. Step 4: Simplify right side
    35,330.61x = 985,785,211.66
  5. Step 5: Solve for x
    x = 985,785,211.66/35,330.61
  6. Step 6: Final answer
    x = 27,901.73

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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.