Home / 31,256.92-43,135.74-17,830.36

Finding the Fourth Proportional to 31,256.92, 43,135.74 and 17,830.36

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Solution

The fourth proportional to 31,256.92, 43,135.74 and 17,830.36 is: 24,606.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,256.92 : 43,135.74 = 17,830.36 : x
  2. Step 2: Convert to fraction form
    31,256.92/43,135.74 = 17,830.36/x
  3. Step 3: Cross multiply
    31,256.92x = 43,135.74 × 17,830.36
  4. Step 4: Simplify right side
    31,256.92x = 769,125,773.07
  5. Step 5: Solve for x
    x = 769,125,773.07/31,256.92
  6. Step 6: Final answer
    x = 24,606.58

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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.