Home / 37,533.90-51,815.53-21,615.28

Finding the Fourth Proportional to 37,533.90, 51,815.53 and 21,615.28

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Solution

The fourth proportional to 37,533.90, 51,815.53 and 21,615.28 is: 29,839.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,533.90 : 51,815.53 = 21,615.28 : x
  2. Step 2: Convert to fraction form
    37,533.90/51,815.53 = 21,615.28/x
  3. Step 3: Cross multiply
    37,533.90x = 51,815.53 × 21,615.28
  4. Step 4: Simplify right side
    37,533.90x = 1,120,007,086.78
  5. Step 5: Solve for x
    x = 1,120,007,086.78/37,533.90
  6. Step 6: Final answer
    x = 29,839.88

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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.