Home / 53,561.70-80,342.55-14,122.80

Finding the Fourth Proportional to 53,561.70, 80,342.55 and 14,122.80

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Solution

The fourth proportional to 53,561.70, 80,342.55 and 14,122.80 is: 21,184.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,561.70 : 80,342.55 = 14,122.80 : x
  2. Step 2: Convert to fraction form
    53,561.70/80,342.55 = 14,122.80/x
  3. Step 3: Cross multiply
    53,561.70x = 80,342.55 × 14,122.80
  4. Step 4: Simplify right side
    53,561.70x = 1,134,661,765.14
  5. Step 5: Solve for x
    x = 1,134,661,765.14/53,561.70
  6. Step 6: Final answer
    x = 21,184.20

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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.