Home / 37,682.81-51,999.00-20,686.99

Finding the Fourth Proportional to 37,682.81, 51,999.00 and 20,686.99

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Solution

The fourth proportional to 37,682.81, 51,999.00 and 20,686.99 is: 28,546.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,682.81 : 51,999.00 = 20,686.99 : x
  2. Step 2: Convert to fraction form
    37,682.81/51,999.00 = 20,686.99/x
  3. Step 3: Cross multiply
    37,682.81x = 51,999.00 × 20,686.99
  4. Step 4: Simplify right side
    37,682.81x = 1,075,702,623.96
  5. Step 5: Solve for x
    x = 1,075,702,623.96/37,682.81
  6. Step 6: Final answer
    x = 28,546.24

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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.