Home / 53,135.79-73,329.66-30,481.17

Finding the Fourth Proportional to 53,135.79, 73,329.66 and 30,481.17

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Solution

The fourth proportional to 53,135.79, 73,329.66 and 30,481.17 is: 42,065.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,135.79 : 73,329.66 = 30,481.17 : x
  2. Step 2: Convert to fraction form
    53,135.79/73,329.66 = 30,481.17/x
  3. Step 3: Cross multiply
    53,135.79x = 73,329.66 × 30,481.17
  4. Step 4: Simplify right side
    53,135.79x = 2,235,173,832.50
  5. Step 5: Solve for x
    x = 2,235,173,832.50/53,135.79
  6. Step 6: Final answer
    x = 42,065.32

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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.