Home / 53,342.12-80,022.90-18,285.32

Finding the Fourth Proportional to 53,342.12, 80,022.90 and 18,285.32

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Solution

The fourth proportional to 53,342.12, 80,022.90 and 18,285.32 is: 27,431.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,342.12 : 80,022.90 = 18,285.32 : x
  2. Step 2: Convert to fraction form
    53,342.12/80,022.90 = 18,285.32/x
  3. Step 3: Cross multiply
    53,342.12x = 80,022.90 × 18,285.32
  4. Step 4: Simplify right side
    53,342.12x = 1,463,244,333.83
  5. Step 5: Solve for x
    x = 1,463,244,333.83/53,342.12
  6. Step 6: Final answer
    x = 27,431.31

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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.