Home / 55,154.19-82,740.39-21,874.41

Finding the Fourth Proportional to 55,154.19, 82,740.39 and 21,874.41

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Solution

The fourth proportional to 55,154.19, 82,740.39 and 21,874.41 is: 32,815.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,154.19 : 82,740.39 = 21,874.41 : x
  2. Step 2: Convert to fraction form
    55,154.19/82,740.39 = 21,874.41/x
  3. Step 3: Cross multiply
    55,154.19x = 82,740.39 × 21,874.41
  4. Step 4: Simplify right side
    55,154.19x = 1,809,897,214.42
  5. Step 5: Solve for x
    x = 1,809,897,214.42/55,154.19
  6. Step 6: Final answer
    x = 32,815.23

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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.