Home / 53,974.20-80,961.30-40,852.20

Finding the Fourth Proportional to 53,974.20, 80,961.30 and 40,852.20

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Solution

The fourth proportional to 53,974.20, 80,961.30 and 40,852.20 is: 61,278.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,974.20 : 80,961.30 = 40,852.20 : x
  2. Step 2: Convert to fraction form
    53,974.20/80,961.30 = 40,852.20/x
  3. Step 3: Cross multiply
    53,974.20x = 80,961.30 × 40,852.20
  4. Step 4: Simplify right side
    53,974.20x = 3,307,447,219.86
  5. Step 5: Solve for x
    x = 3,307,447,219.86/53,974.20
  6. Step 6: Final answer
    x = 61,278.30

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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.