Home / 53,555.55-80,333.43-21,959.79

Finding the Fourth Proportional to 53,555.55, 80,333.43 and 21,959.79

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Solution

The fourth proportional to 53,555.55, 80,333.43 and 21,959.79 is: 32,939.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,555.55 : 80,333.43 = 21,959.79 : x
  2. Step 2: Convert to fraction form
    53,555.55/80,333.43 = 21,959.79/x
  3. Step 3: Cross multiply
    53,555.55x = 80,333.43 × 21,959.79
  4. Step 4: Simplify right side
    53,555.55x = 1,764,105,252.78
  5. Step 5: Solve for x
    x = 1,764,105,252.78/53,555.55
  6. Step 6: Final answer
    x = 32,939.73

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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.