Home / 37,674.28-51,991.86-20,679.04

Finding the Fourth Proportional to 37,674.28, 51,991.86 and 20,679.04

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Solution

The fourth proportional to 37,674.28, 51,991.86 and 20,679.04 is: 28,537.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,674.28 : 51,991.86 = 20,679.04 : x
  2. Step 2: Convert to fraction form
    37,674.28/51,991.86 = 20,679.04/x
  3. Step 3: Cross multiply
    37,674.28x = 51,991.86 × 20,679.04
  4. Step 4: Simplify right side
    37,674.28x = 1,075,141,752.61
  5. Step 5: Solve for x
    x = 1,075,141,752.61/37,674.28
  6. Step 6: Final answer
    x = 28,537.82

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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.