Home / 53,909.56-80,879.94-22,313.78

Finding the Fourth Proportional to 53,909.56, 80,879.94 and 22,313.78

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Solution

The fourth proportional to 53,909.56, 80,879.94 and 22,313.78 is: 33,477.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,909.56 : 80,879.94 = 22,313.78 : x
  2. Step 2: Convert to fraction form
    53,909.56/80,879.94 = 22,313.78/x
  3. Step 3: Cross multiply
    53,909.56x = 80,879.94 × 22,313.78
  4. Step 4: Simplify right side
    53,909.56x = 1,804,737,187.57
  5. Step 5: Solve for x
    x = 1,804,737,187.57/53,909.56
  6. Step 6: Final answer
    x = 33,477.13

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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.