Home / 50,976.46-70,348.34-28,316.91

Finding the Fourth Proportional to 50,976.46, 70,348.34 and 28,316.91

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Solution

The fourth proportional to 50,976.46, 70,348.34 and 28,316.91 is: 39,077.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,976.46 : 70,348.34 = 28,316.91 : x
  2. Step 2: Convert to fraction form
    50,976.46/70,348.34 = 28,316.91/x
  3. Step 3: Cross multiply
    50,976.46x = 70,348.34 × 28,316.91
  4. Step 4: Simplify right side
    50,976.46x = 1,992,047,612.43
  5. Step 5: Solve for x
    x = 1,992,047,612.43/50,976.46
  6. Step 6: Final answer
    x = 39,077.79

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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.