Home / 53,550.40-80,329.65-18,011.82

Finding the Fourth Proportional to 53,550.40, 80,329.65 and 18,011.82

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Solution

The fourth proportional to 53,550.40, 80,329.65 and 18,011.82 is: 27,019.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,550.40 : 80,329.65 = 18,011.82 : x
  2. Step 2: Convert to fraction form
    53,550.40/80,329.65 = 18,011.82/x
  3. Step 3: Cross multiply
    53,550.40x = 80,329.65 × 18,011.82
  4. Step 4: Simplify right side
    53,550.40x = 1,446,883,537.29
  5. Step 5: Solve for x
    x = 1,446,883,537.29/53,550.40
  6. Step 6: Final answer
    x = 27,019.10

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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.