Home / 50,816.16-70,119.30-28,149.54

Finding the Fourth Proportional to 50,816.16, 70,119.30 and 28,149.54

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Solution

The fourth proportional to 50,816.16, 70,119.30 and 28,149.54 is: 38,842.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,816.16 : 70,119.30 = 28,149.54 : x
  2. Step 2: Convert to fraction form
    50,816.16/70,119.30 = 28,149.54/x
  3. Step 3: Cross multiply
    50,816.16x = 70,119.30 × 28,149.54
  4. Step 4: Simplify right side
    50,816.16x = 1,973,826,040.12
  5. Step 5: Solve for x
    x = 1,973,826,040.12/50,816.16
  6. Step 6: Final answer
    x = 38,842.49

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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.