Home / 70,954.68-106,442.33-21,028.35

Finding the Fourth Proportional to 70,954.68, 106,442.33 and 21,028.35

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Solution

The fourth proportional to 70,954.68, 106,442.33 and 21,028.35 is: 31,545.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,954.68 : 106,442.33 = 21,028.35 : x
  2. Step 2: Convert to fraction form
    70,954.68/106,442.33 = 21,028.35/x
  3. Step 3: Cross multiply
    70,954.68x = 106,442.33 × 21,028.35
  4. Step 4: Simplify right side
    70,954.68x = 2,238,306,464.91
  5. Step 5: Solve for x
    x = 2,238,306,464.91/70,954.68
  6. Step 6: Final answer
    x = 31,545.58

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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.