Home / 45,797.30-63,236.80-30,498.78

Finding the Fourth Proportional to 45,797.30, 63,236.80 and 30,498.78

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Solution

The fourth proportional to 45,797.30, 63,236.80 and 30,498.78 is: 42,112.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,797.30 : 63,236.80 = 30,498.78 : x
  2. Step 2: Convert to fraction form
    45,797.30/63,236.80 = 30,498.78/x
  3. Step 3: Cross multiply
    45,797.30x = 63,236.80 × 30,498.78
  4. Step 4: Simplify right side
    45,797.30x = 1,928,645,251.10
  5. Step 5: Solve for x
    x = 1,928,645,251.10/45,797.30
  6. Step 6: Final answer
    x = 42,112.64

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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.