Home / 75,622.94-113,434.41-20,217.50

Finding the Fourth Proportional to 75,622.94, 113,434.41 and 20,217.50

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Solution

The fourth proportional to 75,622.94, 113,434.41 and 20,217.50 is: 30,326.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,622.94 : 113,434.41 = 20,217.50 : x
  2. Step 2: Convert to fraction form
    75,622.94/113,434.41 = 20,217.50/x
  3. Step 3: Cross multiply
    75,622.94x = 113,434.41 × 20,217.50
  4. Step 4: Simplify right side
    75,622.94x = 2,293,360,184.18
  5. Step 5: Solve for x
    x = 2,293,360,184.18/75,622.94
  6. Step 6: Final answer
    x = 30,326.25

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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.