Home / 31,973.78-44,112.24-18,537.63

Finding the Fourth Proportional to 31,973.78, 44,112.24 and 18,537.63

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Solution

The fourth proportional to 31,973.78, 44,112.24 and 18,537.63 is: 25,575.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,973.78 : 44,112.24 = 18,537.63 : x
  2. Step 2: Convert to fraction form
    31,973.78/44,112.24 = 18,537.63/x
  3. Step 3: Cross multiply
    31,973.78x = 44,112.24 × 18,537.63
  4. Step 4: Simplify right side
    31,973.78x = 817,736,383.59
  5. Step 5: Solve for x
    x = 817,736,383.59/31,973.78
  6. Step 6: Final answer
    x = 25,575.22

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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.