Home / 37,135.94-51,246.63-21,220.39

Finding the Fourth Proportional to 37,135.94, 51,246.63 and 21,220.39

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Solution

The fourth proportional to 37,135.94, 51,246.63 and 21,220.39 is: 29,283.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,135.94 : 51,246.63 = 21,220.39 : x
  2. Step 2: Convert to fraction form
    37,135.94/51,246.63 = 21,220.39/x
  3. Step 3: Cross multiply
    37,135.94x = 51,246.63 × 21,220.39
  4. Step 4: Simplify right side
    37,135.94x = 1,087,473,250.58
  5. Step 5: Solve for x
    x = 1,087,473,250.58/37,135.94
  6. Step 6: Final answer
    x = 29,283.58

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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.