Home / 50,981.14-70,355.26-28,319.04

Finding the Fourth Proportional to 50,981.14, 70,355.26 and 28,319.04

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Solution

The fourth proportional to 50,981.14, 70,355.26 and 28,319.04 is: 39,080.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,981.14 : 70,355.26 = 28,319.04 : x
  2. Step 2: Convert to fraction form
    50,981.14/70,355.26 = 28,319.04/x
  3. Step 3: Cross multiply
    50,981.14x = 70,355.26 × 28,319.04
  4. Step 4: Simplify right side
    50,981.14x = 1,992,393,422.15
  5. Step 5: Solve for x
    x = 1,992,393,422.15/50,981.14
  6. Step 6: Final answer
    x = 39,080.99

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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.