Home / 54,477.16-81,674.22-28,165.12

Finding the Fourth Proportional to 54,477.16, 81,674.22 and 28,165.12

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Solution

The fourth proportional to 54,477.16, 81,674.22 and 28,165.12 is: 42,226.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,477.16 : 81,674.22 = 28,165.12 : x
  2. Step 2: Convert to fraction form
    54,477.16/81,674.22 = 28,165.12/x
  3. Step 3: Cross multiply
    54,477.16x = 81,674.22 × 28,165.12
  4. Step 4: Simplify right side
    54,477.16x = 2,300,364,207.21
  5. Step 5: Solve for x
    x = 2,300,364,207.21/54,477.16
  6. Step 6: Final answer
    x = 42,226.21

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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.