Home / 45,785.12-68,692.56-19,512.08

Finding the Fourth Proportional to 45,785.12, 68,692.56 and 19,512.08

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Solution

The fourth proportional to 45,785.12, 68,692.56 and 19,512.08 is: 29,274.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,785.12 : 68,692.56 = 19,512.08 : x
  2. Step 2: Convert to fraction form
    45,785.12/68,692.56 = 19,512.08/x
  3. Step 3: Cross multiply
    45,785.12x = 68,692.56 × 19,512.08
  4. Step 4: Simplify right side
    45,785.12x = 1,340,334,726.12
  5. Step 5: Solve for x
    x = 1,340,334,726.12/45,785.12
  6. Step 6: Final answer
    x = 29,274.46

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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.