Home / 43,999.81-60,703.82-28,900.65

Finding the Fourth Proportional to 43,999.81, 60,703.82 and 28,900.65

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Solution

The fourth proportional to 43,999.81, 60,703.82 and 28,900.65 is: 39,872.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,999.81 : 60,703.82 = 28,900.65 : x
  2. Step 2: Convert to fraction form
    43,999.81/60,703.82 = 28,900.65/x
  3. Step 3: Cross multiply
    43,999.81x = 60,703.82 × 28,900.65
  4. Step 4: Simplify right side
    43,999.81x = 1,754,379,710.98
  5. Step 5: Solve for x
    x = 1,754,379,710.98/43,999.81
  6. Step 6: Final answer
    x = 39,872.44

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1.5x scale

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.