Home / 54,328.50-81,475.86-26,231.09

Finding the Fourth Proportional to 54,328.50, 81,475.86 and 26,231.09

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Solution

The fourth proportional to 54,328.50, 81,475.86 and 26,231.09 is: 39,338.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,328.50 : 81,475.86 = 26,231.09 : x
  2. Step 2: Convert to fraction form
    54,328.50/81,475.86 = 26,231.09/x
  3. Step 3: Cross multiply
    54,328.50x = 81,475.86 × 26,231.09
  4. Step 4: Simplify right side
    54,328.50x = 2,137,200,209.11
  5. Step 5: Solve for x
    x = 2,137,200,209.11/54,328.50
  6. Step 6: Final answer
    x = 39,338.47

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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.