Home / 53,823.93-80,735.25-18,763.47

Finding the Fourth Proportional to 53,823.93, 80,735.25 and 18,763.47

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Solution

The fourth proportional to 53,823.93, 80,735.25 and 18,763.47 is: 28,144.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,823.93 : 80,735.25 = 18,763.47 : x
  2. Step 2: Convert to fraction form
    53,823.93/80,735.25 = 18,763.47/x
  3. Step 3: Cross multiply
    53,823.93x = 80,735.25 × 18,763.47
  4. Step 4: Simplify right side
    53,823.93x = 1,514,873,441.32
  5. Step 5: Solve for x
    x = 1,514,873,441.32/53,823.93
  6. Step 6: Final answer
    x = 28,144.98

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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.