Home / 50,786.28-70,084.84-28,430.28

Finding the Fourth Proportional to 50,786.28, 70,084.84 and 28,430.28

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Solution

The fourth proportional to 50,786.28, 70,084.84 and 28,430.28 is: 39,233.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,786.28 : 70,084.84 = 28,430.28 : x
  2. Step 2: Convert to fraction form
    50,786.28/70,084.84 = 28,430.28/x
  3. Step 3: Cross multiply
    50,786.28x = 70,084.84 × 28,430.28
  4. Step 4: Simplify right side
    50,786.28x = 1,992,531,624.96
  5. Step 5: Solve for x
    x = 1,992,531,624.96/50,786.28
  6. Step 6: Final answer
    x = 39,233.66

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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.