Home / 54,641.42-75,403.13-30,441.81

Finding the Fourth Proportional to 54,641.42, 75,403.13 and 30,441.81

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Solution

The fourth proportional to 54,641.42, 75,403.13 and 30,441.81 is: 42,008.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,641.42 : 75,403.13 = 30,441.81 : x
  2. Step 2: Convert to fraction form
    54,641.42/75,403.13 = 30,441.81/x
  3. Step 3: Cross multiply
    54,641.42x = 75,403.13 × 30,441.81
  4. Step 4: Simplify right side
    54,641.42x = 2,295,407,604.66
  5. Step 5: Solve for x
    x = 2,295,407,604.66/54,641.42
  6. Step 6: Final answer
    x = 42,008.57

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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.