Home / 54,572.96-75,305.36-30,699.12

Finding the Fourth Proportional to 54,572.96, 75,305.36 and 30,699.12

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Solution

The fourth proportional to 54,572.96, 75,305.36 and 30,699.12 is: 42,361.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,572.96 : 75,305.36 = 30,699.12 : x
  2. Step 2: Convert to fraction form
    54,572.96/75,305.36 = 30,699.12/x
  3. Step 3: Cross multiply
    54,572.96x = 75,305.36 × 30,699.12
  4. Step 4: Simplify right side
    54,572.96x = 2,311,808,283.28
  5. Step 5: Solve for x
    x = 2,311,808,283.28/54,572.96
  6. Step 6: Final answer
    x = 42,361.79

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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.