Home / 53,405.15-80,107.92-20,116.26

Finding the Fourth Proportional to 53,405.15, 80,107.92 and 20,116.26

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Solution

The fourth proportional to 53,405.15, 80,107.92 and 20,116.26 is: 30,174.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,405.15 : 80,107.92 = 20,116.26 : x
  2. Step 2: Convert to fraction form
    53,405.15/80,107.92 = 20,116.26/x
  3. Step 3: Cross multiply
    53,405.15x = 80,107.92 × 20,116.26
  4. Step 4: Simplify right side
    53,405.15x = 1,611,471,746.78
  5. Step 5: Solve for x
    x = 1,611,471,746.78/53,405.15
  6. Step 6: Final answer
    x = 30,174.47

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1.5x scale

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.