Home / 34,886.56-48,144.72-19,985.44

Finding the Fourth Proportional to 34,886.56, 48,144.72 and 19,985.44

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Solution

The fourth proportional to 34,886.56, 48,144.72 and 19,985.44 is: 27,580.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,886.56 : 48,144.72 = 19,985.44 : x
  2. Step 2: Convert to fraction form
    34,886.56/48,144.72 = 19,985.44/x
  3. Step 3: Cross multiply
    34,886.56x = 48,144.72 × 19,985.44
  4. Step 4: Simplify right side
    34,886.56x = 962,193,412.88
  5. Step 5: Solve for x
    x = 962,193,412.88/34,886.56
  6. Step 6: Final answer
    x = 27,580.63

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1.5x scale

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.