Home / 54,442.04-81,656.87-18,896.81

Finding the Fourth Proportional to 54,442.04, 81,656.87 and 18,896.81

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Solution

The fourth proportional to 54,442.04, 81,656.87 and 18,896.81 is: 28,343.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,442.04 : 81,656.87 = 18,896.81 : x
  2. Step 2: Convert to fraction form
    54,442.04/81,656.87 = 18,896.81/x
  3. Step 3: Cross multiply
    54,442.04x = 81,656.87 × 18,896.81
  4. Step 4: Simplify right side
    54,442.04x = 1,543,053,854.82
  5. Step 5: Solve for x
    x = 1,543,053,854.82/54,442.04
  6. Step 6: Final answer
    x = 28,343.06

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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.