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Finding the Fourth Proportional to 35,410.19, 48,855.03 and 20,094.20

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Solution

The fourth proportional to 35,410.19, 48,855.03 and 20,094.20 is: 27,723.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,410.19 : 48,855.03 = 20,094.20 : x
  2. Step 2: Convert to fraction form
    35,410.19/48,855.03 = 20,094.20/x
  3. Step 3: Cross multiply
    35,410.19x = 48,855.03 × 20,094.20
  4. Step 4: Simplify right side
    35,410.19x = 981,702,743.83
  5. Step 5: Solve for x
    x = 981,702,743.83/35,410.19
  6. Step 6: Final answer
    x = 27,723.74

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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.