Home / 50,911.90-70,277.08-30,769.54

Finding the Fourth Proportional to 50,911.90, 70,277.08 and 30,769.54

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Solution

The fourth proportional to 50,911.90, 70,277.08 and 30,769.54 is: 42,473.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,911.90 : 70,277.08 = 30,769.54 : x
  2. Step 2: Convert to fraction form
    50,911.90/70,277.08 = 30,769.54/x
  3. Step 3: Cross multiply
    50,911.90x = 70,277.08 × 30,769.54
  4. Step 4: Simplify right side
    50,911.90x = 2,162,393,424.14
  5. Step 5: Solve for x
    x = 2,162,393,424.14/50,911.90
  6. Step 6: Final answer
    x = 42,473.24

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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.