Home / 29,481.51-44,196.15-21,140.55

Finding the Fourth Proportional to 29,481.51, 44,196.15 and 21,140.55

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Solution

The fourth proportional to 29,481.51, 44,196.15 and 21,140.55 is: 31,692.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,481.51 : 44,196.15 = 21,140.55 : x
  2. Step 2: Convert to fraction form
    29,481.51/44,196.15 = 21,140.55/x
  3. Step 3: Cross multiply
    29,481.51x = 44,196.15 × 21,140.55
  4. Step 4: Simplify right side
    29,481.51x = 934,330,918.88
  5. Step 5: Solve for x
    x = 934,330,918.88/29,481.51
  6. Step 6: Final answer
    x = 31,692.10

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1.5x scale

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.