Home / 50,880.60-70,218.63-28,226.79

Finding the Fourth Proportional to 50,880.60, 70,218.63 and 28,226.79

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Solution

The fourth proportional to 50,880.60, 70,218.63 and 28,226.79 is: 38,954.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,880.60 : 70,218.63 = 28,226.79 : x
  2. Step 2: Convert to fraction form
    50,880.60/70,218.63 = 28,226.79/x
  3. Step 3: Cross multiply
    50,880.60x = 70,218.63 × 28,226.79
  4. Step 4: Simplify right side
    50,880.60x = 1,982,046,523.10
  5. Step 5: Solve for x
    x = 1,982,046,523.10/50,880.60
  6. Step 6: Final answer
    x = 38,954.86

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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.