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Finding the Fourth Proportional to 30,360.79, 45,544.22 and 9,300.59

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Solution

The fourth proportional to 30,360.79, 45,544.22 and 9,300.59 is: 13,951.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,360.79 : 45,544.22 = 9,300.59 : x
  2. Step 2: Convert to fraction form
    30,360.79/45,544.22 = 9,300.59/x
  3. Step 3: Cross multiply
    30,360.79x = 45,544.22 × 9,300.59
  4. Step 4: Simplify right side
    30,360.79x = 423,587,912.62
  5. Step 5: Solve for x
    x = 423,587,912.62/30,360.79
  6. Step 6: Final answer
    x = 13,951.81

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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.