Home / 54,012.15-81,018.29-14,569.30

Finding the Fourth Proportional to 54,012.15, 81,018.29 and 14,569.30

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Solution

The fourth proportional to 54,012.15, 81,018.29 and 14,569.30 is: 21,853.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,012.15 : 81,018.29 = 14,569.30 : x
  2. Step 2: Convert to fraction form
    54,012.15/81,018.29 = 14,569.30/x
  3. Step 3: Cross multiply
    54,012.15x = 81,018.29 × 14,569.30
  4. Step 4: Simplify right side
    54,012.15x = 1,180,379,910.19
  5. Step 5: Solve for x
    x = 1,180,379,910.19/54,012.15
  6. Step 6: Final answer
    x = 21,853.97

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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.