Home / 50,880.32-70,215.36-28,219.66

Finding the Fourth Proportional to 50,880.32, 70,215.36 and 28,219.66

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Solution

The fourth proportional to 50,880.32, 70,215.36 and 28,219.66 is: 38,943.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,880.32 : 70,215.36 = 28,219.66 : x
  2. Step 2: Convert to fraction form
    50,880.32/70,215.36 = 28,219.66/x
  3. Step 3: Cross multiply
    50,880.32x = 70,215.36 × 28,219.66
  4. Step 4: Simplify right side
    50,880.32x = 1,981,453,304.62
  5. Step 5: Solve for x
    x = 1,981,453,304.62/50,880.32
  6. Step 6: Final answer
    x = 38,943.41

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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.