Home / 43,820.40-65,730.60-27,126.30

Finding the Fourth Proportional to 43,820.40, 65,730.60 and 27,126.30

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Solution

The fourth proportional to 43,820.40, 65,730.60 and 27,126.30 is: 40,689.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,820.40 : 65,730.60 = 27,126.30 : x
  2. Step 2: Convert to fraction form
    43,820.40/65,730.60 = 27,126.30/x
  3. Step 3: Cross multiply
    43,820.40x = 65,730.60 × 27,126.30
  4. Step 4: Simplify right side
    43,820.40x = 1,783,027,974.78
  5. Step 5: Solve for x
    x = 1,783,027,974.78/43,820.40
  6. Step 6: Final answer
    x = 40,689.45

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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.