Home / 31,538.28-43,506.54-19,597.08

Finding the Fourth Proportional to 31,538.28, 43,506.54 and 19,597.08

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Solution

The fourth proportional to 31,538.28, 43,506.54 and 19,597.08 is: 27,033.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,538.28 : 43,506.54 = 19,597.08 : x
  2. Step 2: Convert to fraction form
    31,538.28/43,506.54 = 19,597.08/x
  3. Step 3: Cross multiply
    31,538.28x = 43,506.54 × 19,597.08
  4. Step 4: Simplify right side
    31,538.28x = 852,601,144.90
  5. Step 5: Solve for x
    x = 852,601,144.90/31,538.28
  6. Step 6: Final answer
    x = 27,033.85

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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.