Home / 31,809.63-43,897.29-17,662.57

Finding the Fourth Proportional to 31,809.63, 43,897.29 and 17,662.57

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Solution

The fourth proportional to 31,809.63, 43,897.29 and 17,662.57 is: 24,374.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,809.63 : 43,897.29 = 17,662.57 : x
  2. Step 2: Convert to fraction form
    31,809.63/43,897.29 = 17,662.57/x
  3. Step 3: Cross multiply
    31,809.63x = 43,897.29 × 17,662.57
  4. Step 4: Simplify right side
    31,809.63x = 775,338,957.44
  5. Step 5: Solve for x
    x = 775,338,957.44/31,809.63
  6. Step 6: Final answer
    x = 24,374.35

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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.