Home / 54,019.56-81,037.44-18,953.04

Finding the Fourth Proportional to 54,019.56, 81,037.44 and 18,953.04

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Solution

The fourth proportional to 54,019.56, 81,037.44 and 18,953.04 is: 28,432.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,019.56 : 81,037.44 = 18,953.04 : x
  2. Step 2: Convert to fraction form
    54,019.56/81,037.44 = 18,953.04/x
  3. Step 3: Cross multiply
    54,019.56x = 81,037.44 × 18,953.04
  4. Step 4: Simplify right side
    54,019.56x = 1,535,905,841.82
  5. Step 5: Solve for x
    x = 1,535,905,841.82/54,019.56
  6. Step 6: Final answer
    x = 28,432.40

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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.