Home / 54,025.21-81,074.27-18,965.17

Finding the Fourth Proportional to 54,025.21, 81,074.27 and 18,965.17

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Solution

The fourth proportional to 54,025.21, 81,074.27 and 18,965.17 is: 28,460.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,025.21 : 81,074.27 = 18,965.17 : x
  2. Step 2: Convert to fraction form
    54,025.21/81,074.27 = 18,965.17/x
  3. Step 3: Cross multiply
    54,025.21x = 81,074.27 × 18,965.17
  4. Step 4: Simplify right side
    54,025.21x = 1,537,587,313.18
  5. Step 5: Solve for x
    x = 1,537,587,313.18/54,025.21
  6. Step 6: Final answer
    x = 28,460.55

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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.