Home / 57,345.74-86,018.62-17,906.24

Finding the Fourth Proportional to 57,345.74, 86,018.62 and 17,906.24

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Solution

The fourth proportional to 57,345.74, 86,018.62 and 17,906.24 is: 26,859.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,345.74 : 86,018.62 = 17,906.24 : x
  2. Step 2: Convert to fraction form
    57,345.74/86,018.62 = 17,906.24/x
  3. Step 3: Cross multiply
    57,345.74x = 86,018.62 × 17,906.24
  4. Step 4: Simplify right side
    57,345.74x = 1,540,270,054.19
  5. Step 5: Solve for x
    x = 1,540,270,054.19/57,345.74
  6. Step 6: Final answer
    x = 26,859.36

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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.