Home / 44,711.55-67,077.71-13,120.34

Finding the Fourth Proportional to 44,711.55, 67,077.71 and 13,120.34

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Solution

The fourth proportional to 44,711.55, 67,077.71 and 13,120.34 is: 19,683.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,711.55 : 67,077.71 = 13,120.34 : x
  2. Step 2: Convert to fraction form
    44,711.55/67,077.71 = 13,120.34/x
  3. Step 3: Cross multiply
    44,711.55x = 67,077.71 × 13,120.34
  4. Step 4: Simplify right side
    44,711.55x = 880,082,361.62
  5. Step 5: Solve for x
    x = 880,082,361.62/44,711.55
  6. Step 6: Final answer
    x = 19,683.56

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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.