Home / 54,037.56-81,064.44-18,971.04

Finding the Fourth Proportional to 54,037.56, 81,064.44 and 18,971.04

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Solution

The fourth proportional to 54,037.56, 81,064.44 and 18,971.04 is: 28,459.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,037.56 : 81,064.44 = 18,971.04 : x
  2. Step 2: Convert to fraction form
    54,037.56/81,064.44 = 18,971.04/x
  3. Step 3: Cross multiply
    54,037.56x = 81,064.44 × 18,971.04
  4. Step 4: Simplify right side
    54,037.56x = 1,537,876,733.82
  5. Step 5: Solve for x
    x = 1,537,876,733.82/54,037.56
  6. Step 6: Final answer
    x = 28,459.40

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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.