Home / 50,751.80-70,036.04-28,091.72

Finding the Fourth Proportional to 50,751.80, 70,036.04 and 28,091.72

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Solution

The fourth proportional to 50,751.80, 70,036.04 and 28,091.72 is: 38,765.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,751.80 : 70,036.04 = 28,091.72 : x
  2. Step 2: Convert to fraction form
    50,751.80/70,036.04 = 28,091.72/x
  3. Step 3: Cross multiply
    50,751.80x = 70,036.04 × 28,091.72
  4. Step 4: Simplify right side
    50,751.80x = 1,967,432,825.59
  5. Step 5: Solve for x
    x = 1,967,432,825.59/50,751.80
  6. Step 6: Final answer
    x = 38,765.77

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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.