Home / 31,652.98-47,485.89-14,122.82

Finding the Fourth Proportional to 31,652.98, 47,485.89 and 14,122.82

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Solution

The fourth proportional to 31,652.98, 47,485.89 and 14,122.82 is: 21,187.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,652.98 : 47,485.89 = 14,122.82 : x
  2. Step 2: Convert to fraction form
    31,652.98/47,485.89 = 14,122.82/x
  3. Step 3: Cross multiply
    31,652.98x = 47,485.89 × 14,122.82
  4. Step 4: Simplify right side
    31,652.98x = 670,634,677.01
  5. Step 5: Solve for x
    x = 670,634,677.01/31,652.98
  6. Step 6: Final answer
    x = 21,187.09

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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.