Home / 34,056.10-46,989.78-20,627.11

Finding the Fourth Proportional to 34,056.10, 46,989.78 and 20,627.11

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Solution

The fourth proportional to 34,056.10, 46,989.78 and 20,627.11 is: 28,460.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,056.10 : 46,989.78 = 20,627.11 : x
  2. Step 2: Convert to fraction form
    34,056.10/46,989.78 = 20,627.11/x
  3. Step 3: Cross multiply
    34,056.10x = 46,989.78 × 20,627.11
  4. Step 4: Simplify right side
    34,056.10x = 969,263,360.94
  5. Step 5: Solve for x
    x = 969,263,360.94/34,056.10
  6. Step 6: Final answer
    x = 28,460.79

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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.