Home / 53,590.44-80,405.16-18,533.64

Finding the Fourth Proportional to 53,590.44, 80,405.16 and 18,533.64

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Solution

The fourth proportional to 53,590.44, 80,405.16 and 18,533.64 is: 27,807.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,590.44 : 80,405.16 = 18,533.64 : x
  2. Step 2: Convert to fraction form
    53,590.44/80,405.16 = 18,533.64/x
  3. Step 3: Cross multiply
    53,590.44x = 80,405.16 × 18,533.64
  4. Step 4: Simplify right side
    53,590.44x = 1,490,200,289.58
  5. Step 5: Solve for x
    x = 1,490,200,289.58/53,590.44
  6. Step 6: Final answer
    x = 27,807.20

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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.