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Finding the Fourth Proportional to 50,803.40, 70,073.70 and 35,727.68

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Solution

The fourth proportional to 50,803.40, 70,073.70 and 35,727.68 is: 49,279.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,803.40 : 70,073.70 = 35,727.68 : x
  2. Step 2: Convert to fraction form
    50,803.40/70,073.70 = 35,727.68/x
  3. Step 3: Cross multiply
    50,803.40x = 70,073.70 × 35,727.68
  4. Step 4: Simplify right side
    50,803.40x = 2,503,570,730.02
  5. Step 5: Solve for x
    x = 2,503,570,730.02/50,803.40
  6. Step 6: Final answer
    x = 49,279.59

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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.