Home / 56,692.12-85,034.76-21,146.44

Finding the Fourth Proportional to 56,692.12, 85,034.76 and 21,146.44

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Solution

The fourth proportional to 56,692.12, 85,034.76 and 21,146.44 is: 31,718.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,692.12 : 85,034.76 = 21,146.44 : x
  2. Step 2: Convert to fraction form
    56,692.12/85,034.76 = 21,146.44/x
  3. Step 3: Cross multiply
    56,692.12x = 85,034.76 × 21,146.44
  4. Step 4: Simplify right side
    56,692.12x = 1,798,182,450.25
  5. Step 5: Solve for x
    x = 1,798,182,450.25/56,692.12
  6. Step 6: Final answer
    x = 31,718.38

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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.