Home / 54,977.60-82,453.20-15,538.40

Finding the Fourth Proportional to 54,977.60, 82,453.20 and 15,538.40

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Solution

The fourth proportional to 54,977.60, 82,453.20 and 15,538.40 is: 23,303.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,977.60 : 82,453.20 = 15,538.40 : x
  2. Step 2: Convert to fraction form
    54,977.60/82,453.20 = 15,538.40/x
  3. Step 3: Cross multiply
    54,977.60x = 82,453.20 × 15,538.40
  4. Step 4: Simplify right side
    54,977.60x = 1,281,190,802.88
  5. Step 5: Solve for x
    x = 1,281,190,802.88/54,977.60
  6. Step 6: Final answer
    x = 23,303.87

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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.