Home / 45,385.24-68,036.36-19,091.84

Finding the Fourth Proportional to 45,385.24, 68,036.36 and 19,091.84

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Solution

The fourth proportional to 45,385.24, 68,036.36 and 19,091.84 is: 28,620.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,385.24 : 68,036.36 = 19,091.84 : x
  2. Step 2: Convert to fraction form
    45,385.24/68,036.36 = 19,091.84/x
  3. Step 3: Cross multiply
    45,385.24x = 68,036.36 × 19,091.84
  4. Step 4: Simplify right side
    45,385.24x = 1,298,939,299.30
  5. Step 5: Solve for x
    x = 1,298,939,299.30/45,385.24
  6. Step 6: Final answer
    x = 28,620.30

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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.