Home / 44,405.55-66,606.78-11,125.90

Finding the Fourth Proportional to 44,405.55, 66,606.78 and 11,125.90

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Solution

The fourth proportional to 44,405.55, 66,606.78 and 11,125.90 is: 16,688.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,405.55 : 66,606.78 = 11,125.90 : x
  2. Step 2: Convert to fraction form
    44,405.55/66,606.78 = 11,125.90/x
  3. Step 3: Cross multiply
    44,405.55x = 66,606.78 × 11,125.90
  4. Step 4: Simplify right side
    44,405.55x = 741,060,373.60
  5. Step 5: Solve for x
    x = 741,060,373.60/44,405.55
  6. Step 6: Final answer
    x = 16,688.46

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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.