Home / 54,176.19-81,252.74-20,885.19

Finding the Fourth Proportional to 54,176.19, 81,252.74 and 20,885.19

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Solution

The fourth proportional to 54,176.19, 81,252.74 and 20,885.19 is: 31,323.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,176.19 : 81,252.74 = 20,885.19 : x
  2. Step 2: Convert to fraction form
    54,176.19/81,252.74 = 20,885.19/x
  3. Step 3: Cross multiply
    54,176.19x = 81,252.74 × 20,885.19
  4. Step 4: Simplify right side
    54,176.19x = 1,696,978,808.49
  5. Step 5: Solve for x
    x = 1,696,978,808.49/54,176.19
  6. Step 6: Final answer
    x = 31,323.33

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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.