Home / 57,043.24-85,495.74-40,408.36

Finding the Fourth Proportional to 57,043.24, 85,495.74 and 40,408.36

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Solution

The fourth proportional to 57,043.24, 85,495.74 and 40,408.36 is: 60,563.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,043.24 : 85,495.74 = 40,408.36 : x
  2. Step 2: Convert to fraction form
    57,043.24/85,495.74 = 40,408.36/x
  3. Step 3: Cross multiply
    57,043.24x = 85,495.74 × 40,408.36
  4. Step 4: Simplify right side
    57,043.24x = 3,454,742,640.39
  5. Step 5: Solve for x
    x = 3,454,742,640.39/57,043.24
  6. Step 6: Final answer
    x = 60,563.58

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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.