Home / 54,315.96-81,551.70-40,319.16

Finding the Fourth Proportional to 54,315.96, 81,551.70 and 40,319.16

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Solution

The fourth proportional to 54,315.96, 81,551.70 and 40,319.16 is: 60,536.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,315.96 : 81,551.70 = 40,319.16 : x
  2. Step 2: Convert to fraction form
    54,315.96/81,551.70 = 40,319.16/x
  3. Step 3: Cross multiply
    54,315.96x = 81,551.70 × 40,319.16
  4. Step 4: Simplify right side
    54,315.96x = 3,288,096,040.57
  5. Step 5: Solve for x
    x = 3,288,096,040.57/54,315.96
  6. Step 6: Final answer
    x = 60,536.46

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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.