Home / 37,078.67-51,172.23-21,165.51

Finding the Fourth Proportional to 37,078.67, 51,172.23 and 21,165.51

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Solution

The fourth proportional to 37,078.67, 51,172.23 and 21,165.51 is: 29,210.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,078.67 : 51,172.23 = 21,165.51 : x
  2. Step 2: Convert to fraction form
    37,078.67/51,172.23 = 21,165.51/x
  3. Step 3: Cross multiply
    37,078.67x = 51,172.23 × 21,165.51
  4. Step 4: Simplify right side
    37,078.67x = 1,083,086,345.79
  5. Step 5: Solve for x
    x = 1,083,086,345.79/37,078.67
  6. Step 6: Final answer
    x = 29,210.50

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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.