Home / 53,550.38-80,329.61-18,011.80

Finding the Fourth Proportional to 53,550.38, 80,329.61 and 18,011.80

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Solution

The fourth proportional to 53,550.38, 80,329.61 and 18,011.80 is: 27,019.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,550.38 : 80,329.61 = 18,011.80 : x
  2. Step 2: Convert to fraction form
    53,550.38/80,329.61 = 18,011.80/x
  3. Step 3: Cross multiply
    53,550.38x = 80,329.61 × 18,011.80
  4. Step 4: Simplify right side
    53,550.38x = 1,446,880,578.51
  5. Step 5: Solve for x
    x = 1,446,880,578.51/53,550.38
  6. Step 6: Final answer
    x = 27,019.06

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1.5x scale

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.