Home / 53,393.20-80,001.84-18,313.60

Finding the Fourth Proportional to 53,393.20, 80,001.84 and 18,313.60

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Solution

The fourth proportional to 53,393.20, 80,001.84 and 18,313.60 is: 27,440.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,393.20 : 80,001.84 = 18,313.60 : x
  2. Step 2: Convert to fraction form
    53,393.20/80,001.84 = 18,313.60/x
  3. Step 3: Cross multiply
    53,393.20x = 80,001.84 × 18,313.60
  4. Step 4: Simplify right side
    53,393.20x = 1,465,121,697.02
  5. Step 5: Solve for x
    x = 1,465,121,697.02/53,393.20
  6. Step 6: Final answer
    x = 27,440.23

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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.