Home / 70,738.44-97,619.82-38,907.60

Finding the Fourth Proportional to 70,738.44, 97,619.82 and 38,907.60

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Solution

The fourth proportional to 70,738.44, 97,619.82 and 38,907.60 is: 53,692.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,738.44 : 97,619.82 = 38,907.60 : x
  2. Step 2: Convert to fraction form
    70,738.44/97,619.82 = 38,907.60/x
  3. Step 3: Cross multiply
    70,738.44x = 97,619.82 × 38,907.60
  4. Step 4: Simplify right side
    70,738.44x = 3,798,152,908.63
  5. Step 5: Solve for x
    x = 3,798,152,908.63/70,738.44
  6. Step 6: Final answer
    x = 53,692.91

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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.