Home / 43,172.43-64,758.27-12,007.59

Finding the Fourth Proportional to 43,172.43, 64,758.27 and 12,007.59

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Solution

The fourth proportional to 43,172.43, 64,758.27 and 12,007.59 is: 18,011.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,172.43 : 64,758.27 = 12,007.59 : x
  2. Step 2: Convert to fraction form
    43,172.43/64,758.27 = 12,007.59/x
  3. Step 3: Cross multiply
    43,172.43x = 64,758.27 × 12,007.59
  4. Step 4: Simplify right side
    43,172.43x = 777,590,755.27
  5. Step 5: Solve for x
    x = 777,590,755.27/43,172.43
  6. Step 6: Final answer
    x = 18,011.28

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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.