Home / 53,620.25-80,435.85-18,559.81

Finding the Fourth Proportional to 53,620.25, 80,435.85 and 18,559.81

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Solution

The fourth proportional to 53,620.25, 80,435.85 and 18,559.81 is: 27,841.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,620.25 : 80,435.85 = 18,559.81 : x
  2. Step 2: Convert to fraction form
    53,620.25/80,435.85 = 18,559.81/x
  3. Step 3: Cross multiply
    53,620.25x = 80,435.85 × 18,559.81
  4. Step 4: Simplify right side
    53,620.25x = 1,492,873,598.21
  5. Step 5: Solve for x
    x = 1,492,873,598.21/53,620.25
  6. Step 6: Final answer
    x = 27,841.60

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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.