Home / 54,420.05-75,099.05-30,546.11

Finding the Fourth Proportional to 54,420.05, 75,099.05 and 30,546.11

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Solution

The fourth proportional to 54,420.05, 75,099.05 and 30,546.11 is: 42,153.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,420.05 : 75,099.05 = 30,546.11 : x
  2. Step 2: Convert to fraction form
    54,420.05/75,099.05 = 30,546.11/x
  3. Step 3: Cross multiply
    54,420.05x = 75,099.05 × 30,546.11
  4. Step 4: Simplify right side
    54,420.05x = 2,293,983,991.76
  5. Step 5: Solve for x
    x = 2,293,983,991.76/54,420.05
  6. Step 6: Final answer
    x = 42,153.29

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1.5x scale

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.