Home / 43,105.76-64,661.07-13,522.94

Finding the Fourth Proportional to 43,105.76, 64,661.07 and 13,522.94

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Solution

The fourth proportional to 43,105.76, 64,661.07 and 13,522.94 is: 20,285.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,105.76 : 64,661.07 = 13,522.94 : x
  2. Step 2: Convert to fraction form
    43,105.76/64,661.07 = 13,522.94/x
  3. Step 3: Cross multiply
    43,105.76x = 64,661.07 × 13,522.94
  4. Step 4: Simplify right side
    43,105.76x = 874,407,769.95
  5. Step 5: Solve for x
    x = 874,407,769.95/43,105.76
  6. Step 6: Final answer
    x = 20,285.17

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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.