Home / 38,692.22-58,054.76-21,141.55

Finding the Fourth Proportional to 38,692.22, 58,054.76 and 21,141.55

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Solution

The fourth proportional to 38,692.22, 58,054.76 and 21,141.55 is: 31,721.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,692.22 : 58,054.76 = 21,141.55 : x
  2. Step 2: Convert to fraction form
    38,692.22/58,054.76 = 21,141.55/x
  3. Step 3: Cross multiply
    38,692.22x = 58,054.76 × 21,141.55
  4. Step 4: Simplify right side
    38,692.22x = 1,227,367,611.28
  5. Step 5: Solve for x
    x = 1,227,367,611.28/38,692.22
  6. Step 6: Final answer
    x = 31,721.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.