Home / 50,880.66-70,214.26-28,215.99

Finding the Fourth Proportional to 50,880.66, 70,214.26 and 28,215.99

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Solution

The fourth proportional to 50,880.66, 70,214.26 and 28,215.99 is: 38,937.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,880.66 : 70,214.26 = 28,215.99 : x
  2. Step 2: Convert to fraction form
    50,880.66/70,214.26 = 28,215.99/x
  3. Step 3: Cross multiply
    50,880.66x = 70,214.26 × 28,215.99
  4. Step 4: Simplify right side
    50,880.66x = 1,981,164,858.02
  5. Step 5: Solve for x
    x = 1,981,164,858.02/50,880.66
  6. Step 6: Final answer
    x = 38,937.48

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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.