Home / 37,647.97-56,485.80-15,455.40

Finding the Fourth Proportional to 37,647.97, 56,485.80 and 15,455.40

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Solution

The fourth proportional to 37,647.97, 56,485.80 and 15,455.40 is: 23,188.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,647.97 : 56,485.80 = 15,455.40 : x
  2. Step 2: Convert to fraction form
    37,647.97/56,485.80 = 15,455.40/x
  3. Step 3: Cross multiply
    37,647.97x = 56,485.80 × 15,455.40
  4. Step 4: Simplify right side
    37,647.97x = 873,010,633.32
  5. Step 5: Solve for x
    x = 873,010,633.32/37,647.97
  6. Step 6: Final answer
    x = 23,188.78

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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.