Home / 50,738.10-70,017.53-28,077.08

Finding the Fourth Proportional to 50,738.10, 70,017.53 and 28,077.08

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Solution

The fourth proportional to 50,738.10, 70,017.53 and 28,077.08 is: 38,745.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,738.10 : 70,017.53 = 28,077.08 : x
  2. Step 2: Convert to fraction form
    50,738.10/70,017.53 = 28,077.08/x
  3. Step 3: Cross multiply
    50,738.10x = 70,017.53 × 28,077.08
  4. Step 4: Simplify right side
    50,738.10x = 1,965,887,589.96
  5. Step 5: Solve for x
    x = 1,965,887,589.96/50,738.10
  6. Step 6: Final answer
    x = 38,745.79

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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.