Home / 37,679.61-51,998.52-20,685.45

Finding the Fourth Proportional to 37,679.61, 51,998.52 and 20,685.45

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Solution

The fourth proportional to 37,679.61, 51,998.52 and 20,685.45 is: 28,546.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,679.61 : 51,998.52 = 20,685.45 : x
  2. Step 2: Convert to fraction form
    37,679.61/51,998.52 = 20,685.45/x
  3. Step 3: Cross multiply
    37,679.61x = 51,998.52 × 20,685.45
  4. Step 4: Simplify right side
    37,679.61x = 1,075,612,785.53
  5. Step 5: Solve for x
    x = 1,075,612,785.53/37,679.61
  6. Step 6: Final answer
    x = 28,546.28

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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.