Home / 53,222.55-79,840.19-21,625.86

Finding the Fourth Proportional to 53,222.55, 79,840.19 and 21,625.86

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Solution

The fourth proportional to 53,222.55, 79,840.19 and 21,625.86 is: 32,441.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,222.55 : 79,840.19 = 21,625.86 : x
  2. Step 2: Convert to fraction form
    53,222.55/79,840.19 = 21,625.86/x
  3. Step 3: Cross multiply
    53,222.55x = 79,840.19 × 21,625.86
  4. Step 4: Simplify right side
    53,222.55x = 1,726,612,771.31
  5. Step 5: Solve for x
    x = 1,726,612,771.31/53,222.55
  6. Step 6: Final answer
    x = 32,441.38

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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.