Home / 43,165.80-64,787.16-22,120.17

Finding the Fourth Proportional to 43,165.80, 64,787.16 and 22,120.17

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Solution

The fourth proportional to 43,165.80, 64,787.16 and 22,120.17 is: 33,199.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,165.80 : 64,787.16 = 22,120.17 : x
  2. Step 2: Convert to fraction form
    43,165.80/64,787.16 = 22,120.17/x
  3. Step 3: Cross multiply
    43,165.80x = 64,787.16 × 22,120.17
  4. Step 4: Simplify right side
    43,165.80x = 1,433,102,993.02
  5. Step 5: Solve for x
    x = 1,433,102,993.02/43,165.80
  6. Step 6: Final answer
    x = 33,199.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.