Home / 42,869.75-64,311.44-17,896.94

Finding the Fourth Proportional to 42,869.75, 64,311.44 and 17,896.94

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Solution

The fourth proportional to 42,869.75, 64,311.44 and 17,896.94 is: 26,848.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,869.75 : 64,311.44 = 17,896.94 : x
  2. Step 2: Convert to fraction form
    42,869.75/64,311.44 = 17,896.94/x
  3. Step 3: Cross multiply
    42,869.75x = 64,311.44 × 17,896.94
  4. Step 4: Simplify right side
    42,869.75x = 1,150,977,571.95
  5. Step 5: Solve for x
    x = 1,150,977,571.95/42,869.75
  6. Step 6: Final answer
    x = 26,848.25

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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.