Home / 35,244.32-48,636.94-20,141.60

Finding the Fourth Proportional to 35,244.32, 48,636.94 and 20,141.60

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Solution

The fourth proportional to 35,244.32, 48,636.94 and 20,141.60 is: 27,795.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,244.32 : 48,636.94 = 20,141.60 : x
  2. Step 2: Convert to fraction form
    35,244.32/48,636.94 = 20,141.60/x
  3. Step 3: Cross multiply
    35,244.32x = 48,636.94 × 20,141.60
  4. Step 4: Simplify right side
    35,244.32x = 979,625,690.00
  5. Step 5: Solve for x
    x = 979,625,690.00/35,244.32
  6. Step 6: Final answer
    x = 27,795.28

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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.