Home / 54,004.74-81,007.15-18,466.32

Finding the Fourth Proportional to 54,004.74, 81,007.15 and 18,466.32

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Solution

The fourth proportional to 54,004.74, 81,007.15 and 18,466.32 is: 27,699.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,004.74 : 81,007.15 = 18,466.32 : x
  2. Step 2: Convert to fraction form
    54,004.74/81,007.15 = 18,466.32/x
  3. Step 3: Cross multiply
    54,004.74x = 81,007.15 × 18,466.32
  4. Step 4: Simplify right side
    54,004.74x = 1,495,904,246.42
  5. Step 5: Solve for x
    x = 1,495,904,246.42/54,004.74
  6. Step 6: Final answer
    x = 27,699.50

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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.