Home / 47,858.07-66,014.73-30,855.99

Finding the Fourth Proportional to 47,858.07, 66,014.73 and 30,855.99

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Solution

The fourth proportional to 47,858.07, 66,014.73 and 30,855.99 is: 42,562.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,858.07 : 66,014.73 = 30,855.99 : x
  2. Step 2: Convert to fraction form
    47,858.07/66,014.73 = 30,855.99/x
  3. Step 3: Cross multiply
    47,858.07x = 66,014.73 × 30,855.99
  4. Step 4: Simplify right side
    47,858.07x = 2,036,949,848.73
  5. Step 5: Solve for x
    x = 2,036,949,848.73/47,858.07
  6. Step 6: Final answer
    x = 42,562.31

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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.