Home / 33,284.05-45,920.72-20,358.57

Finding the Fourth Proportional to 33,284.05, 45,920.72 and 20,358.57

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Solution

The fourth proportional to 33,284.05, 45,920.72 and 20,358.57 is: 28,087.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,284.05 : 45,920.72 = 20,358.57 : x
  2. Step 2: Convert to fraction form
    33,284.05/45,920.72 = 20,358.57/x
  3. Step 3: Cross multiply
    33,284.05x = 45,920.72 × 20,358.57
  4. Step 4: Simplify right side
    33,284.05x = 934,880,415.67
  5. Step 5: Solve for x
    x = 934,880,415.67/33,284.05
  6. Step 6: Final answer
    x = 28,087.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.