Home / 53,515.44-80,256.72-20,251.20

Finding the Fourth Proportional to 53,515.44, 80,256.72 and 20,251.20

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Solution

The fourth proportional to 53,515.44, 80,256.72 and 20,251.20 is: 30,370.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,515.44 : 80,256.72 = 20,251.20 : x
  2. Step 2: Convert to fraction form
    53,515.44/80,256.72 = 20,251.20/x
  3. Step 3: Cross multiply
    53,515.44x = 80,256.72 × 20,251.20
  4. Step 4: Simplify right side
    53,515.44x = 1,625,294,888.06
  5. Step 5: Solve for x
    x = 1,625,294,888.06/53,515.44
  6. Step 6: Final answer
    x = 30,370.58

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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.