Home / 34,856.40-48,101.73-18,940.85

Finding the Fourth Proportional to 34,856.40, 48,101.73 and 18,940.85

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Solution

The fourth proportional to 34,856.40, 48,101.73 and 18,940.85 is: 26,138.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,856.40 : 48,101.73 = 18,940.85 : x
  2. Step 2: Convert to fraction form
    34,856.40/48,101.73 = 18,940.85/x
  3. Step 3: Cross multiply
    34,856.40x = 48,101.73 × 18,940.85
  4. Step 4: Simplify right side
    34,856.40x = 911,087,652.67
  5. Step 5: Solve for x
    x = 911,087,652.67/34,856.40
  6. Step 6: Final answer
    x = 26,138.32

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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.