Home / 53,573.88-80,356.62-20,290.92

Finding the Fourth Proportional to 53,573.88, 80,356.62 and 20,290.92

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Solution

The fourth proportional to 53,573.88, 80,356.62 and 20,290.92 is: 30,434.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,573.88 : 80,356.62 = 20,290.92 : x
  2. Step 2: Convert to fraction form
    53,573.88/80,356.62 = 20,290.92/x
  3. Step 3: Cross multiply
    53,573.88x = 80,356.62 × 20,290.92
  4. Step 4: Simplify right side
    53,573.88x = 1,630,509,747.89
  5. Step 5: Solve for x
    x = 1,630,509,747.89/53,573.88
  6. Step 6: Final answer
    x = 30,434.79

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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.