Home / 43,219.98-64,859.13-16,921.44

Finding the Fourth Proportional to 43,219.98, 64,859.13 and 16,921.44

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Solution

The fourth proportional to 43,219.98, 64,859.13 and 16,921.44 is: 25,393.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,219.98 : 64,859.13 = 16,921.44 : x
  2. Step 2: Convert to fraction form
    43,219.98/64,859.13 = 16,921.44/x
  3. Step 3: Cross multiply
    43,219.98x = 64,859.13 × 16,921.44
  4. Step 4: Simplify right side
    43,219.98x = 1,097,509,876.75
  5. Step 5: Solve for x
    x = 1,097,509,876.75/43,219.98
  6. Step 6: Final answer
    x = 25,393.58

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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.