Home / 37,110.80-51,216.14-20,347.04

Finding the Fourth Proportional to 37,110.80, 51,216.14 and 20,347.04

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Solution

The fourth proportional to 37,110.80, 51,216.14 and 20,347.04 is: 28,080.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,110.80 : 51,216.14 = 20,347.04 : x
  2. Step 2: Convert to fraction form
    37,110.80/51,216.14 = 20,347.04/x
  3. Step 3: Cross multiply
    37,110.80x = 51,216.14 × 20,347.04
  4. Step 4: Simplify right side
    37,110.80x = 1,042,096,682.82
  5. Step 5: Solve for x
    x = 1,042,096,682.82/37,110.80
  6. Step 6: Final answer
    x = 28,080.69

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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.