Home / 50,803.95-70,102.50-28,137.35

Finding the Fourth Proportional to 50,803.95, 70,102.50 and 28,137.35

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Solution

The fourth proportional to 50,803.95, 70,102.50 and 28,137.35 is: 38,825.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,803.95 : 70,102.50 = 28,137.35 : x
  2. Step 2: Convert to fraction form
    50,803.95/70,102.50 = 28,137.35/x
  3. Step 3: Cross multiply
    50,803.95x = 70,102.50 × 28,137.35
  4. Step 4: Simplify right side
    50,803.95x = 1,972,498,227.86
  5. Step 5: Solve for x
    x = 1,972,498,227.86/50,803.95
  6. Step 6: Final answer
    x = 38,825.69

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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.