Home / 31,503.58-43,475.07-17,356.38

Finding the Fourth Proportional to 31,503.58, 43,475.07 and 17,356.38

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Solution

The fourth proportional to 31,503.58, 43,475.07 and 17,356.38 is: 23,951.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,503.58 : 43,475.07 = 17,356.38 : x
  2. Step 2: Convert to fraction form
    31,503.58/43,475.07 = 17,356.38/x
  3. Step 3: Cross multiply
    31,503.58x = 43,475.07 × 17,356.38
  4. Step 4: Simplify right side
    31,503.58x = 754,569,835.45
  5. Step 5: Solve for x
    x = 754,569,835.45/31,503.58
  6. Step 6: Final answer
    x = 23,951.88

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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.