Home / 50,845.12-70,157.28-30,696.64

Finding the Fourth Proportional to 50,845.12, 70,157.28 and 30,696.64

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Solution

The fourth proportional to 50,845.12, 70,157.28 and 30,696.64 is: 42,355.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,845.12 : 70,157.28 = 30,696.64 : x
  2. Step 2: Convert to fraction form
    50,845.12/70,157.28 = 30,696.64/x
  3. Step 3: Cross multiply
    50,845.12x = 70,157.28 × 30,696.64
  4. Step 4: Simplify right side
    50,845.12x = 2,153,592,767.54
  5. Step 5: Solve for x
    x = 2,153,592,767.54/50,845.12
  6. Step 6: Final answer
    x = 42,355.94

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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.