Home / 29,619.21-40,878.35-16,876.98

Finding the Fourth Proportional to 29,619.21, 40,878.35 and 16,876.98

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Solution

The fourth proportional to 29,619.21, 40,878.35 and 16,876.98 is: 23,292.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,619.21 : 40,878.35 = 16,876.98 : x
  2. Step 2: Convert to fraction form
    29,619.21/40,878.35 = 16,876.98/x
  3. Step 3: Cross multiply
    29,619.21x = 40,878.35 × 16,876.98
  4. Step 4: Simplify right side
    29,619.21x = 689,902,909.81
  5. Step 5: Solve for x
    x = 689,902,909.81/29,619.21
  6. Step 6: Final answer
    x = 23,292.41

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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.