Home / 51,805.44-71,491.62-30,586.08

Finding the Fourth Proportional to 51,805.44, 71,491.62 and 30,586.08

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Solution

The fourth proportional to 51,805.44, 71,491.62 and 30,586.08 is: 42,208.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,805.44 : 71,491.62 = 30,586.08 : x
  2. Step 2: Convert to fraction form
    51,805.44/71,491.62 = 30,586.08/x
  3. Step 3: Cross multiply
    51,805.44x = 71,491.62 × 30,586.08
  4. Step 4: Simplify right side
    51,805.44x = 2,186,648,051.19
  5. Step 5: Solve for x
    x = 2,186,648,051.19/51,805.44
  6. Step 6: Final answer
    x = 42,208.85

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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.