Home / 45,664.56-68,535.72-17,982

Finding the Fourth Proportional to 45,664.56, 68,535.72 and 17,982

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Solution

The fourth proportional to 45,664.56, 68,535.72 and 17,982 is: 26,988.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,664.56 : 68,535.72 = 17,982 : x
  2. Step 2: Convert to fraction form
    45,664.56/68,535.72 = 17,982/x
  3. Step 3: Cross multiply
    45,664.56x = 68,535.72 × 17,982
  4. Step 4: Simplify right side
    45,664.56x = 1,232,409,317.04
  5. Step 5: Solve for x
    x = 1,232,409,317.04/45,664.56
  6. Step 6: Final answer
    x = 26,988.31

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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.