Home / 65,172.44-89,917.05-36,487.87

Finding the Fourth Proportional to 65,172.44, 89,917.05 and 36,487.87

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Solution

The fourth proportional to 65,172.44, 89,917.05 and 36,487.87 is: 50,341.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,172.44 : 89,917.05 = 36,487.87 : x
  2. Step 2: Convert to fraction form
    65,172.44/89,917.05 = 36,487.87/x
  3. Step 3: Cross multiply
    65,172.44x = 89,917.05 × 36,487.87
  4. Step 4: Simplify right side
    65,172.44x = 3,280,881,631.18
  5. Step 5: Solve for x
    x = 3,280,881,631.18/65,172.44
  6. Step 6: Final answer
    x = 50,341.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.