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Finding the Fourth Proportional to 22,245.40, 33,368.10 and 21,370.60

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Solution

The fourth proportional to 22,245.40, 33,368.10 and 21,370.60 is: 32,055.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,245.40 : 33,368.10 = 21,370.60 : x
  2. Step 2: Convert to fraction form
    22,245.40/33,368.10 = 21,370.60/x
  3. Step 3: Cross multiply
    22,245.40x = 33,368.10 × 21,370.60
  4. Step 4: Simplify right side
    22,245.40x = 713,096,317.86
  5. Step 5: Solve for x
    x = 713,096,317.86/22,245.40
  6. Step 6: Final answer
    x = 32,055.90

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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.