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Finding the Fourth Proportional to 43,003.44, 64,501.11 and 14,919.12

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Solution

The fourth proportional to 43,003.44, 64,501.11 and 14,919.12 is: 22,377.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,003.44 : 64,501.11 = 14,919.12 : x
  2. Step 2: Convert to fraction form
    43,003.44/64,501.11 = 14,919.12/x
  3. Step 3: Cross multiply
    43,003.44x = 64,501.11 × 14,919.12
  4. Step 4: Simplify right side
    43,003.44x = 962,299,800.22
  5. Step 5: Solve for x
    x = 962,299,800.22/43,003.44
  6. Step 6: Final answer
    x = 22,377.27

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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.