Home / 53,480.96-73,811.44-30,815.60

Finding the Fourth Proportional to 53,480.96, 73,811.44 and 30,815.60

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Solution

The fourth proportional to 53,480.96, 73,811.44 and 30,815.60 is: 42,529.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,480.96 : 73,811.44 = 30,815.60 : x
  2. Step 2: Convert to fraction form
    53,480.96/73,811.44 = 30,815.60/x
  3. Step 3: Cross multiply
    53,480.96x = 73,811.44 × 30,815.60
  4. Step 4: Simplify right side
    53,480.96x = 2,274,543,810.46
  5. Step 5: Solve for x
    x = 2,274,543,810.46/53,480.96
  6. Step 6: Final answer
    x = 42,529.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.