Home / 54,364.61-75,023.69-30,490.78

Finding the Fourth Proportional to 54,364.61, 75,023.69 and 30,490.78

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Solution

The fourth proportional to 54,364.61, 75,023.69 and 30,490.78 is: 42,077.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,364.61 : 75,023.69 = 30,490.78 : x
  2. Step 2: Convert to fraction form
    54,364.61/75,023.69 = 30,490.78/x
  3. Step 3: Cross multiply
    54,364.61x = 75,023.69 × 30,490.78
  4. Step 4: Simplify right side
    54,364.61x = 2,287,530,826.58
  5. Step 5: Solve for x
    x = 2,287,530,826.58/54,364.61
  6. Step 6: Final answer
    x = 42,077.57

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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.