Home / 34,856.47-48,102.08-18,940.98

Finding the Fourth Proportional to 34,856.47, 48,102.08 and 18,940.98

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Solution

The fourth proportional to 34,856.47, 48,102.08 and 18,940.98 is: 26,138.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,856.47 : 48,102.08 = 18,940.98 : x
  2. Step 2: Convert to fraction form
    34,856.47/48,102.08 = 18,940.98/x
  3. Step 3: Cross multiply
    34,856.47x = 48,102.08 × 18,940.98
  4. Step 4: Simplify right side
    34,856.47x = 911,100,535.24
  5. Step 5: Solve for x
    x = 911,100,535.24/34,856.47
  6. Step 6: Final answer
    x = 26,138.63

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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.