Home / 30,254.58-41,754.96-18,315.72

Finding the Fourth Proportional to 30,254.58, 41,754.96 and 18,315.72

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Solution

The fourth proportional to 30,254.58, 41,754.96 and 18,315.72 is: 25,277.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,254.58 : 41,754.96 = 18,315.72 : x
  2. Step 2: Convert to fraction form
    30,254.58/41,754.96 = 18,315.72/x
  3. Step 3: Cross multiply
    30,254.58x = 41,754.96 × 18,315.72
  4. Step 4: Simplify right side
    30,254.58x = 764,772,155.97
  5. Step 5: Solve for x
    x = 764,772,155.97/30,254.58
  6. Step 6: Final answer
    x = 25,277.90

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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.