Home / 37,110.91-51,216.29-20,347.15

Finding the Fourth Proportional to 37,110.91, 51,216.29 and 20,347.15

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Solution

The fourth proportional to 37,110.91, 51,216.29 and 20,347.15 is: 28,080.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,110.91 : 51,216.29 = 20,347.15 : x
  2. Step 2: Convert to fraction form
    37,110.91/51,216.29 = 20,347.15/x
  3. Step 3: Cross multiply
    37,110.91x = 51,216.29 × 20,347.15
  4. Step 4: Simplify right side
    37,110.91x = 1,042,105,407.03
  5. Step 5: Solve for x
    x = 1,042,105,407.03/37,110.91
  6. Step 6: Final answer
    x = 28,080.84

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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.