Home / 37,611.32-51,909.12-21,692.64

Finding the Fourth Proportional to 37,611.32, 51,909.12 and 21,692.64

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Solution

The fourth proportional to 37,611.32, 51,909.12 and 21,692.64 is: 29,939.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,611.32 : 51,909.12 = 21,692.64 : x
  2. Step 2: Convert to fraction form
    37,611.32/51,909.12 = 21,692.64/x
  3. Step 3: Cross multiply
    37,611.32x = 51,909.12 × 21,692.64
  4. Step 4: Simplify right side
    37,611.32x = 1,126,045,852.88
  5. Step 5: Solve for x
    x = 1,126,045,852.88/37,611.32
  6. Step 6: Final answer
    x = 29,939.01

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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.