Home / 53,355.99-80,043.71-18,287.85

Finding the Fourth Proportional to 53,355.99, 80,043.71 and 18,287.85

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Solution

The fourth proportional to 53,355.99, 80,043.71 and 18,287.85 is: 27,435.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,355.99 : 80,043.71 = 18,287.85 : x
  2. Step 2: Convert to fraction form
    53,355.99/80,043.71 = 18,287.85/x
  3. Step 3: Cross multiply
    53,355.99x = 80,043.71 × 18,287.85
  4. Step 4: Simplify right side
    53,355.99x = 1,463,827,270.48
  5. Step 5: Solve for x
    x = 1,463,827,270.48/53,355.99
  6. Step 6: Final answer
    x = 27,435.11

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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.