Home / 53,345.12-80,027.40-18,288.32

Finding the Fourth Proportional to 53,345.12, 80,027.40 and 18,288.32

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Solution

The fourth proportional to 53,345.12, 80,027.40 and 18,288.32 is: 27,435.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,345.12 : 80,027.40 = 18,288.32 : x
  2. Step 2: Convert to fraction form
    53,345.12/80,027.40 = 18,288.32/x
  3. Step 3: Cross multiply
    53,345.12x = 80,027.40 × 18,288.32
  4. Step 4: Simplify right side
    53,345.12x = 1,463,566,699.97
  5. Step 5: Solve for x
    x = 1,463,566,699.97/53,345.12
  6. Step 6: Final answer
    x = 27,435.81

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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.