Home / 54,931.84-82,403.52-17,998.72

Finding the Fourth Proportional to 54,931.84, 82,403.52 and 17,998.72

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Solution

The fourth proportional to 54,931.84, 82,403.52 and 17,998.72 is: 26,999.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,931.84 : 82,403.52 = 17,998.72 : x
  2. Step 2: Convert to fraction form
    54,931.84/82,403.52 = 17,998.72/x
  3. Step 3: Cross multiply
    54,931.84x = 82,403.52 × 17,998.72
  4. Step 4: Simplify right side
    54,931.84x = 1,483,157,883.49
  5. Step 5: Solve for x
    x = 1,483,157,883.49/54,931.84
  6. Step 6: Final answer
    x = 26,999.97

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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.