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Finding the Fourth Proportional to 30,201.40, 45,350.70 and 22,814.20

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Solution

The fourth proportional to 30,201.40, 45,350.70 and 22,814.20 is: 34,258.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,201.40 : 45,350.70 = 22,814.20 : x
  2. Step 2: Convert to fraction form
    30,201.40/45,350.70 = 22,814.20/x
  3. Step 3: Cross multiply
    30,201.40x = 45,350.70 × 22,814.20
  4. Step 4: Simplify right side
    30,201.40x = 1,034,639,939.94
  5. Step 5: Solve for x
    x = 1,034,639,939.94/30,201.40
  6. Step 6: Final answer
    x = 34,258.01

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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.