Home / 37,660.74-51,969.58-21,529.80

Finding the Fourth Proportional to 37,660.74, 51,969.58 and 21,529.80

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Solution

The fourth proportional to 37,660.74, 51,969.58 and 21,529.80 is: 29,709.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,660.74 : 51,969.58 = 21,529.80 : x
  2. Step 2: Convert to fraction form
    37,660.74/51,969.58 = 21,529.80/x
  3. Step 3: Cross multiply
    37,660.74x = 51,969.58 × 21,529.80
  4. Step 4: Simplify right side
    37,660.74x = 1,118,894,663.48
  5. Step 5: Solve for x
    x = 1,118,894,663.48/37,660.74
  6. Step 6: Final answer
    x = 29,709.84

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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.