Home / 37,290.06-51,461.46-21,379.50

Finding the Fourth Proportional to 37,290.06, 51,461.46 and 21,379.50

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Solution

The fourth proportional to 37,290.06, 51,461.46 and 21,379.50 is: 29,504.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,290.06 : 51,461.46 = 21,379.50 : x
  2. Step 2: Convert to fraction form
    37,290.06/51,461.46 = 21,379.50/x
  3. Step 3: Cross multiply
    37,290.06x = 51,461.46 × 21,379.50
  4. Step 4: Simplify right side
    37,290.06x = 1,100,220,284.07
  5. Step 5: Solve for x
    x = 1,100,220,284.07/37,290.06
  6. Step 6: Final answer
    x = 29,504.38

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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.