Home / 34,881.31-48,135.15-19,775.35

Finding the Fourth Proportional to 34,881.31, 48,135.15 and 19,775.35

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Solution

The fourth proportional to 34,881.31, 48,135.15 and 19,775.35 is: 27,289.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,881.31 : 48,135.15 = 19,775.35 : x
  2. Step 2: Convert to fraction form
    34,881.31/48,135.15 = 19,775.35/x
  3. Step 3: Cross multiply
    34,881.31x = 48,135.15 × 19,775.35
  4. Step 4: Simplify right side
    34,881.31x = 951,889,438.55
  5. Step 5: Solve for x
    x = 951,889,438.55/34,881.31
  6. Step 6: Final answer
    x = 27,289.38

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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.