Home / 53,449.62-80,112.47-20,148.36

Finding the Fourth Proportional to 53,449.62, 80,112.47 and 20,148.36

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Solution

The fourth proportional to 53,449.62, 80,112.47 and 20,148.36 is: 30,199.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,449.62 : 80,112.47 = 20,148.36 : x
  2. Step 2: Convert to fraction form
    53,449.62/80,112.47 = 20,148.36/x
  3. Step 3: Cross multiply
    53,449.62x = 80,112.47 × 20,148.36
  4. Step 4: Simplify right side
    53,449.62x = 1,614,134,785.31
  5. Step 5: Solve for x
    x = 1,614,134,785.31/53,449.62
  6. Step 6: Final answer
    x = 30,199.18

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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.