Home / 37,640.09-51,937.61-21,504.59

Finding the Fourth Proportional to 37,640.09, 51,937.61 and 21,504.59

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Solution

The fourth proportional to 37,640.09, 51,937.61 and 21,504.59 is: 29,673.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,640.09 : 51,937.61 = 21,504.59 : x
  2. Step 2: Convert to fraction form
    37,640.09/51,937.61 = 21,504.59/x
  3. Step 3: Cross multiply
    37,640.09x = 51,937.61 × 21,504.59
  4. Step 4: Simplify right side
    37,640.09x = 1,116,896,836.18
  5. Step 5: Solve for x
    x = 1,116,896,836.18/37,640.09
  6. Step 6: Final answer
    x = 29,673.06

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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.