Home / 42,794.65-64,192.26-13,211.83

Finding the Fourth Proportional to 42,794.65, 64,192.26 and 13,211.83

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Solution

The fourth proportional to 42,794.65, 64,192.26 and 13,211.83 is: 19,817.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,794.65 : 64,192.26 = 13,211.83 : x
  2. Step 2: Convert to fraction form
    42,794.65/64,192.26 = 13,211.83/x
  3. Step 3: Cross multiply
    42,794.65x = 64,192.26 × 13,211.83
  4. Step 4: Simplify right side
    42,794.65x = 848,097,226.44
  5. Step 5: Solve for x
    x = 848,097,226.44/42,794.65
  6. Step 6: Final answer
    x = 19,817.83

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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.