Home / 36,989.34-51,037.74-21,069.60

Finding the Fourth Proportional to 36,989.34, 51,037.74 and 21,069.60

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Solution

The fourth proportional to 36,989.34, 51,037.74 and 21,069.60 is: 29,071.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,989.34 : 51,037.74 = 21,069.60 : x
  2. Step 2: Convert to fraction form
    36,989.34/51,037.74 = 21,069.60/x
  3. Step 3: Cross multiply
    36,989.34x = 51,037.74 × 21,069.60
  4. Step 4: Simplify right side
    36,989.34x = 1,075,344,766.70
  5. Step 5: Solve for x
    x = 1,075,344,766.70/36,989.34
  6. Step 6: Final answer
    x = 29,071.75

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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.