Home / 37,301.76-51,476.40-21,385.44

Finding the Fourth Proportional to 37,301.76, 51,476.40 and 21,385.44

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Solution

The fourth proportional to 37,301.76, 51,476.40 and 21,385.44 is: 29,511.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,301.76 : 51,476.40 = 21,385.44 : x
  2. Step 2: Convert to fraction form
    37,301.76/51,476.40 = 21,385.44/x
  3. Step 3: Cross multiply
    37,301.76x = 51,476.40 × 21,385.44
  4. Step 4: Simplify right side
    37,301.76x = 1,100,845,463.62
  5. Step 5: Solve for x
    x = 1,100,845,463.62/37,301.76
  6. Step 6: Final answer
    x = 29,511.89

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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.