Home / 44,285.76-66,428.64-20,914.56

Finding the Fourth Proportional to 44,285.76, 66,428.64 and 20,914.56

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Solution

The fourth proportional to 44,285.76, 66,428.64 and 20,914.56 is: 31,371.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,285.76 : 66,428.64 = 20,914.56 : x
  2. Step 2: Convert to fraction form
    44,285.76/66,428.64 = 20,914.56/x
  3. Step 3: Cross multiply
    44,285.76x = 66,428.64 × 20,914.56
  4. Step 4: Simplify right side
    44,285.76x = 1,389,325,777.00
  5. Step 5: Solve for x
    x = 1,389,325,777.00/44,285.76
  6. Step 6: Final answer
    x = 31,371.84

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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.