Home / 53,749.80-80,620.38-18,684.36

Finding the Fourth Proportional to 53,749.80, 80,620.38 and 18,684.36

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Solution

The fourth proportional to 53,749.80, 80,620.38 and 18,684.36 is: 28,025.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,749.80 : 80,620.38 = 18,684.36 : x
  2. Step 2: Convert to fraction form
    53,749.80/80,620.38 = 18,684.36/x
  3. Step 3: Cross multiply
    53,749.80x = 80,620.38 × 18,684.36
  4. Step 4: Simplify right side
    53,749.80x = 1,506,340,203.26
  5. Step 5: Solve for x
    x = 1,506,340,203.26/53,749.80
  6. Step 6: Final answer
    x = 28,025.04

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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.