Home / 55,389.60-83,084.40-33,271.20

Finding the Fourth Proportional to 55,389.60, 83,084.40 and 33,271.20

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Solution

The fourth proportional to 55,389.60, 83,084.40 and 33,271.20 is: 49,906.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,389.60 : 83,084.40 = 33,271.20 : x
  2. Step 2: Convert to fraction form
    55,389.60/83,084.40 = 33,271.20/x
  3. Step 3: Cross multiply
    55,389.60x = 83,084.40 × 33,271.20
  4. Step 4: Simplify right side
    55,389.60x = 2,764,317,689.28
  5. Step 5: Solve for x
    x = 2,764,317,689.28/55,389.60
  6. Step 6: Final answer
    x = 49,906.80

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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.