Home / 53,046.21-73,204.66-30,387.18

Finding the Fourth Proportional to 53,046.21, 73,204.66 and 30,387.18

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Solution

The fourth proportional to 53,046.21, 73,204.66 and 30,387.18 is: 41,934.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,046.21 : 73,204.66 = 30,387.18 : x
  2. Step 2: Convert to fraction form
    53,046.21/73,204.66 = 30,387.18/x
  3. Step 3: Cross multiply
    53,046.21x = 73,204.66 × 30,387.18
  4. Step 4: Simplify right side
    53,046.21x = 2,224,482,845.31
  5. Step 5: Solve for x
    x = 2,224,482,845.31/53,046.21
  6. Step 6: Final answer
    x = 41,934.82

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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.