Home / 50,881.77-70,210.26-28,220.67

Finding the Fourth Proportional to 50,881.77, 70,210.26 and 28,220.67

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Solution

The fourth proportional to 50,881.77, 70,210.26 and 28,220.67 is: 38,940.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,881.77 : 70,210.26 = 28,220.67 : x
  2. Step 2: Convert to fraction form
    50,881.77/70,210.26 = 28,220.67/x
  3. Step 3: Cross multiply
    50,881.77x = 70,210.26 × 28,220.67
  4. Step 4: Simplify right side
    50,881.77x = 1,981,380,578.07
  5. Step 5: Solve for x
    x = 1,981,380,578.07/50,881.77
  6. Step 6: Final answer
    x = 38,940.87

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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.