Home / 44,138.77-66,201.31-12,550.30

Finding the Fourth Proportional to 44,138.77, 66,201.31 and 12,550.30

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Solution

The fourth proportional to 44,138.77, 66,201.31 and 12,550.30 is: 18,823.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,138.77 : 66,201.31 = 12,550.30 : x
  2. Step 2: Convert to fraction form
    44,138.77/66,201.31 = 12,550.30/x
  3. Step 3: Cross multiply
    44,138.77x = 66,201.31 × 12,550.30
  4. Step 4: Simplify right side
    44,138.77x = 830,846,300.89
  5. Step 5: Solve for x
    x = 830,846,300.89/44,138.77
  6. Step 6: Final answer
    x = 18,823.50

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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.