Home / 35,219.64-48,596.94-20,105.40

Finding the Fourth Proportional to 35,219.64, 48,596.94 and 20,105.40

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Solution

The fourth proportional to 35,219.64, 48,596.94 and 20,105.40 is: 27,741.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,219.64 : 48,596.94 = 20,105.40 : x
  2. Step 2: Convert to fraction form
    35,219.64/48,596.94 = 20,105.40/x
  3. Step 3: Cross multiply
    35,219.64x = 48,596.94 × 20,105.40
  4. Step 4: Simplify right side
    35,219.64x = 977,060,917.48
  5. Step 5: Solve for x
    x = 977,060,917.48/35,219.64
  6. Step 6: Final answer
    x = 27,741.93

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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.