Home / 44,327.60-66,490.86-12,738.40

Finding the Fourth Proportional to 44,327.60, 66,490.86 and 12,738.40

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Solution

The fourth proportional to 44,327.60, 66,490.86 and 12,738.40 is: 19,107.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,327.60 : 66,490.86 = 12,738.40 : x
  2. Step 2: Convert to fraction form
    44,327.60/66,490.86 = 12,738.40/x
  3. Step 3: Cross multiply
    44,327.60x = 66,490.86 × 12,738.40
  4. Step 4: Simplify right side
    44,327.60x = 846,987,171.02
  5. Step 5: Solve for x
    x = 846,987,171.02/44,327.60
  6. Step 6: Final answer
    x = 19,107.44

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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.