Home / 45,236.20-62,447.34-30,154

Finding the Fourth Proportional to 45,236.20, 62,447.34 and 30,154

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Solution

The fourth proportional to 45,236.20, 62,447.34 and 30,154 is: 41,626.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,236.20 : 62,447.34 = 30,154 : x
  2. Step 2: Convert to fraction form
    45,236.20/62,447.34 = 30,154/x
  3. Step 3: Cross multiply
    45,236.20x = 62,447.34 × 30,154
  4. Step 4: Simplify right side
    45,236.20x = 1,883,037,090.36
  5. Step 5: Solve for x
    x = 1,883,037,090.36/45,236.20
  6. Step 6: Final answer
    x = 41,626.77

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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.