Home / 31,556.08-43,544.28-17,405.68

Finding the Fourth Proportional to 31,556.08, 43,544.28 and 17,405.68

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Solution

The fourth proportional to 31,556.08, 43,544.28 and 17,405.68 is: 24,018.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,556.08 : 43,544.28 = 17,405.68 : x
  2. Step 2: Convert to fraction form
    31,556.08/43,544.28 = 17,405.68/x
  3. Step 3: Cross multiply
    31,556.08x = 43,544.28 × 17,405.68
  4. Step 4: Simplify right side
    31,556.08x = 757,917,803.51
  5. Step 5: Solve for x
    x = 757,917,803.51/31,556.08
  6. Step 6: Final answer
    x = 24,018.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.