Home / 44,286.88-66,430.56-13,122.40

Finding the Fourth Proportional to 44,286.88, 66,430.56 and 13,122.40

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Solution

The fourth proportional to 44,286.88, 66,430.56 and 13,122.40 is: 19,683.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,286.88 : 66,430.56 = 13,122.40 : x
  2. Step 2: Convert to fraction form
    44,286.88/66,430.56 = 13,122.40/x
  3. Step 3: Cross multiply
    44,286.88x = 66,430.56 × 13,122.40
  4. Step 4: Simplify right side
    44,286.88x = 871,728,380.54
  5. Step 5: Solve for x
    x = 871,728,380.54/44,286.88
  6. Step 6: Final answer
    x = 19,683.67

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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.