Home / 75,623.94-113,435.91-20,218.50

Finding the Fourth Proportional to 75,623.94, 113,435.91 and 20,218.50

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Solution

The fourth proportional to 75,623.94, 113,435.91 and 20,218.50 is: 30,327.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,623.94 : 113,435.91 = 20,218.50 : x
  2. Step 2: Convert to fraction form
    75,623.94/113,435.91 = 20,218.50/x
  3. Step 3: Cross multiply
    75,623.94x = 113,435.91 × 20,218.50
  4. Step 4: Simplify right side
    75,623.94x = 2,293,503,946.34
  5. Step 5: Solve for x
    x = 2,293,503,946.34/75,623.94
  6. Step 6: Final answer
    x = 30,327.75

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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.