Home / 45,383.40-68,002.20-37,947.60

Finding the Fourth Proportional to 45,383.40, 68,002.20 and 37,947.60

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Solution

The fourth proportional to 45,383.40, 68,002.20 and 37,947.60 is: 56,860.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,383.40 : 68,002.20 = 37,947.60 : x
  2. Step 2: Convert to fraction form
    45,383.40/68,002.20 = 37,947.60/x
  3. Step 3: Cross multiply
    45,383.40x = 68,002.20 × 37,947.60
  4. Step 4: Simplify right side
    45,383.40x = 2,580,520,284.72
  5. Step 5: Solve for x
    x = 2,580,520,284.72/45,383.40
  6. Step 6: Final answer
    x = 56,860.44

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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.