Home / 54,018.10-81,027.15-14,575.21

Finding the Fourth Proportional to 54,018.10, 81,027.15 and 14,575.21

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Solution

The fourth proportional to 54,018.10, 81,027.15 and 14,575.21 is: 21,862.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,018.10 : 81,027.15 = 14,575.21 : x
  2. Step 2: Convert to fraction form
    54,018.10/81,027.15 = 14,575.21/x
  3. Step 3: Cross multiply
    54,018.10x = 81,027.15 × 14,575.21
  4. Step 4: Simplify right side
    54,018.10x = 1,180,987,980.16
  5. Step 5: Solve for x
    x = 1,180,987,980.16/54,018.10
  6. Step 6: Final answer
    x = 21,862.82

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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.