Home / 44,400.60-66,491.55-20,999.70

Finding the Fourth Proportional to 44,400.60, 66,491.55 and 20,999.70

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Solution

The fourth proportional to 44,400.60, 66,491.55 and 20,999.70 is: 31,447.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,400.60 : 66,491.55 = 20,999.70 : x
  2. Step 2: Convert to fraction form
    44,400.60/66,491.55 = 20,999.70/x
  3. Step 3: Cross multiply
    44,400.60x = 66,491.55 × 20,999.70
  4. Step 4: Simplify right side
    44,400.60x = 1,396,302,602.54
  5. Step 5: Solve for x
    x = 1,396,302,602.54/44,400.60
  6. Step 6: Final answer
    x = 31,447.83

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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.