Home / 42,416.94-63,528.48-20,245.88

Finding the Fourth Proportional to 42,416.94, 63,528.48 and 20,245.88

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Solution

The fourth proportional to 42,416.94, 63,528.48 and 20,245.88 is: 30,322.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,416.94 : 63,528.48 = 20,245.88 : x
  2. Step 2: Convert to fraction form
    42,416.94/63,528.48 = 20,245.88/x
  3. Step 3: Cross multiply
    42,416.94x = 63,528.48 × 20,245.88
  4. Step 4: Simplify right side
    42,416.94x = 1,286,190,141.48
  5. Step 5: Solve for x
    x = 1,286,190,141.48/42,416.94
  6. Step 6: Final answer
    x = 30,322.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.