Home / 53,976.87-80,964.77-18,437.81

Finding the Fourth Proportional to 53,976.87, 80,964.77 and 18,437.81

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Solution

The fourth proportional to 53,976.87, 80,964.77 and 18,437.81 is: 27,656.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,976.87 : 80,964.77 = 18,437.81 : x
  2. Step 2: Convert to fraction form
    53,976.87/80,964.77 = 18,437.81/x
  3. Step 3: Cross multiply
    53,976.87x = 80,964.77 × 18,437.81
  4. Step 4: Simplify right side
    53,976.87x = 1,492,812,548.94
  5. Step 5: Solve for x
    x = 1,492,812,548.94/53,976.87
  6. Step 6: Final answer
    x = 27,656.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.