Home / 53,553.80-80,330.70-40,334.60

Finding the Fourth Proportional to 53,553.80, 80,330.70 and 40,334.60

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Solution

The fourth proportional to 53,553.80, 80,330.70 and 40,334.60 is: 60,501.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,553.80 : 80,330.70 = 40,334.60 : x
  2. Step 2: Convert to fraction form
    53,553.80/80,330.70 = 40,334.60/x
  3. Step 3: Cross multiply
    53,553.80x = 80,330.70 × 40,334.60
  4. Step 4: Simplify right side
    53,553.80x = 3,240,106,652.22
  5. Step 5: Solve for x
    x = 3,240,106,652.22/53,553.80
  6. Step 6: Final answer
    x = 60,501.90

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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.