Home / 31,221.62-46,825.40-9,030.06

Finding the Fourth Proportional to 31,221.62, 46,825.40 and 9,030.06

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Solution

The fourth proportional to 31,221.62, 46,825.40 and 9,030.06 is: 13,543.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,221.62 : 46,825.40 = 9,030.06 : x
  2. Step 2: Convert to fraction form
    31,221.62/46,825.40 = 9,030.06/x
  3. Step 3: Cross multiply
    31,221.62x = 46,825.40 × 9,030.06
  4. Step 4: Simplify right side
    31,221.62x = 422,836,171.52
  5. Step 5: Solve for x
    x = 422,836,171.52/31,221.62
  6. Step 6: Final answer
    x = 13,543.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.