Home / 37,782.13-52,139.33-20,786.00

Finding the Fourth Proportional to 37,782.13, 52,139.33 and 20,786.00

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Solution

The fourth proportional to 37,782.13, 52,139.33 and 20,786.00 is: 28,684.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,782.13 : 52,139.33 = 20,786.00 : x
  2. Step 2: Convert to fraction form
    37,782.13/52,139.33 = 20,786.00/x
  3. Step 3: Cross multiply
    37,782.13x = 52,139.33 × 20,786.00
  4. Step 4: Simplify right side
    37,782.13x = 1,083,768,119.98
  5. Step 5: Solve for x
    x = 1,083,768,119.98/37,782.13
  6. Step 6: Final answer
    x = 28,684.68

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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.