Home / 43,170.84-64,757.48-12,006.09

Finding the Fourth Proportional to 43,170.84, 64,757.48 and 12,006.09

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Solution

The fourth proportional to 43,170.84, 64,757.48 and 12,006.09 is: 18,009.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,170.84 : 64,757.48 = 12,006.09 : x
  2. Step 2: Convert to fraction form
    43,170.84/64,757.48 = 12,006.09/x
  3. Step 3: Cross multiply
    43,170.84x = 64,757.48 × 12,006.09
  4. Step 4: Simplify right side
    43,170.84x = 777,484,073.02
  5. Step 5: Solve for x
    x = 777,484,073.02/43,170.84
  6. Step 6: Final answer
    x = 18,009.47

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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.