Home / 31,533.55-43,514.32-17,386.51

Finding the Fourth Proportional to 31,533.55, 43,514.32 and 17,386.51

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Solution

The fourth proportional to 31,533.55, 43,514.32 and 17,386.51 is: 23,992.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,533.55 : 43,514.32 = 17,386.51 : x
  2. Step 2: Convert to fraction form
    31,533.55/43,514.32 = 17,386.51/x
  3. Step 3: Cross multiply
    31,533.55x = 43,514.32 × 17,386.51
  4. Step 4: Simplify right side
    31,533.55x = 756,562,072.89
  5. Step 5: Solve for x
    x = 756,562,072.89/31,533.55
  6. Step 6: Final answer
    x = 23,992.29

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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.