Home / 21,036.43-31,554.39-6,043.91

Finding the Fourth Proportional to 21,036.43, 31,554.39 and 6,043.91

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Solution

The fourth proportional to 21,036.43, 31,554.39 and 6,043.91 is: 9,065.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,036.43 : 31,554.39 = 6,043.91 : x
  2. Step 2: Convert to fraction form
    21,036.43/31,554.39 = 6,043.91/x
  3. Step 3: Cross multiply
    21,036.43x = 31,554.39 × 6,043.91
  4. Step 4: Simplify right side
    21,036.43x = 190,711,984.73
  5. Step 5: Solve for x
    x = 190,711,984.73/21,036.43
  6. Step 6: Final answer
    x = 9,065.80

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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.