Home / 37,215.84-51,354.88-21,296.64

Finding the Fourth Proportional to 37,215.84, 51,354.88 and 21,296.64

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Solution

The fourth proportional to 37,215.84, 51,354.88 and 21,296.64 is: 29,387.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,215.84 : 51,354.88 = 21,296.64 : x
  2. Step 2: Convert to fraction form
    37,215.84/51,354.88 = 21,296.64/x
  3. Step 3: Cross multiply
    37,215.84x = 51,354.88 × 21,296.64
  4. Step 4: Simplify right side
    37,215.84x = 1,093,686,391.60
  5. Step 5: Solve for x
    x = 1,093,686,391.60/37,215.84
  6. Step 6: Final answer
    x = 29,387.66

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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.