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Finding the Fourth Proportional to 44,494.35, 66,739.44 and 12,903.45

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Solution

The fourth proportional to 44,494.35, 66,739.44 and 12,903.45 is: 19,354.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,494.35 : 66,739.44 = 12,903.45 : x
  2. Step 2: Convert to fraction form
    44,494.35/66,739.44 = 12,903.45/x
  3. Step 3: Cross multiply
    44,494.35x = 66,739.44 × 12,903.45
  4. Step 4: Simplify right side
    44,494.35x = 861,169,027.07
  5. Step 5: Solve for x
    x = 861,169,027.07/44,494.35
  6. Step 6: Final answer
    x = 19,354.57

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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.