Home / 31,330.14-43,235.62-18,584.03

Finding the Fourth Proportional to 31,330.14, 43,235.62 and 18,584.03

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Solution

The fourth proportional to 31,330.14, 43,235.62 and 18,584.03 is: 25,645.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,330.14 : 43,235.62 = 18,584.03 : x
  2. Step 2: Convert to fraction form
    31,330.14/43,235.62 = 18,584.03/x
  3. Step 3: Cross multiply
    31,330.14x = 43,235.62 × 18,584.03
  4. Step 4: Simplify right side
    31,330.14x = 803,492,225.31
  5. Step 5: Solve for x
    x = 803,492,225.31/31,330.14
  6. Step 6: Final answer
    x = 25,645.98

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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.