Home / 31,221.64-46,825.38-9,030.08

Finding the Fourth Proportional to 31,221.64, 46,825.38 and 9,030.08

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Solution

The fourth proportional to 31,221.64, 46,825.38 and 9,030.08 is: 13,543.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,221.64 : 46,825.38 = 9,030.08 : x
  2. Step 2: Convert to fraction form
    31,221.64/46,825.38 = 9,030.08/x
  3. Step 3: Cross multiply
    31,221.64x = 46,825.38 × 9,030.08
  4. Step 4: Simplify right side
    31,221.64x = 422,836,927.43
  5. Step 5: Solve for x
    x = 422,836,927.43/31,221.64
  6. Step 6: Final answer
    x = 13,543.07

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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.