Home / 40,400.80-60,579.60-14,106.40

Finding the Fourth Proportional to 40,400.80, 60,579.60 and 14,106.40

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Solution

The fourth proportional to 40,400.80, 60,579.60 and 14,106.40 is: 21,152.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,400.80 : 60,579.60 = 14,106.40 : x
  2. Step 2: Convert to fraction form
    40,400.80/60,579.60 = 14,106.40/x
  3. Step 3: Cross multiply
    40,400.80x = 60,579.60 × 14,106.40
  4. Step 4: Simplify right side
    40,400.80x = 854,560,069.44
  5. Step 5: Solve for x
    x = 854,560,069.44/40,400.80
  6. Step 6: Final answer
    x = 21,152.06

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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.