Home / 54,705.40-82,058.10-13,152.40

Finding the Fourth Proportional to 54,705.40, 82,058.10 and 13,152.40

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Solution

The fourth proportional to 54,705.40, 82,058.10 and 13,152.40 is: 19,728.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,705.40 : 82,058.10 = 13,152.40 : x
  2. Step 2: Convert to fraction form
    54,705.40/82,058.10 = 13,152.40/x
  3. Step 3: Cross multiply
    54,705.40x = 82,058.10 × 13,152.40
  4. Step 4: Simplify right side
    54,705.40x = 1,079,260,954.44
  5. Step 5: Solve for x
    x = 1,079,260,954.44/54,705.40
  6. Step 6: Final answer
    x = 19,728.60

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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.