Home / 54,840.68-82,261.74-19,303.11

Finding the Fourth Proportional to 54,840.68, 82,261.74 and 19,303.11

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Solution

The fourth proportional to 54,840.68, 82,261.74 and 19,303.11 is: 28,954.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,840.68 : 82,261.74 = 19,303.11 : x
  2. Step 2: Convert to fraction form
    54,840.68/82,261.74 = 19,303.11/x
  3. Step 3: Cross multiply
    54,840.68x = 82,261.74 × 19,303.11
  4. Step 4: Simplify right side
    54,840.68x = 1,587,907,488.40
  5. Step 5: Solve for x
    x = 1,587,907,488.40/54,840.68
  6. Step 6: Final answer
    x = 28,954.92

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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.