Home / 53,018.87-73,171.08-30,359.66

Finding the Fourth Proportional to 53,018.87, 73,171.08 and 30,359.66

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Solution

The fourth proportional to 53,018.87, 73,171.08 and 30,359.66 is: 41,899.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,018.87 : 73,171.08 = 30,359.66 : x
  2. Step 2: Convert to fraction form
    53,018.87/73,171.08 = 30,359.66/x
  3. Step 3: Cross multiply
    53,018.87x = 73,171.08 × 30,359.66
  4. Step 4: Simplify right side
    53,018.87x = 2,221,448,744.78
  5. Step 5: Solve for x
    x = 2,221,448,744.78/53,018.87
  6. Step 6: Final answer
    x = 41,899.21

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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.