Home / 34,325.36-51,488.34-12,138.85

Finding the Fourth Proportional to 34,325.36, 51,488.34 and 12,138.85

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Solution

The fourth proportional to 34,325.36, 51,488.34 and 12,138.85 is: 18,208.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,325.36 : 51,488.34 = 12,138.85 : x
  2. Step 2: Convert to fraction form
    34,325.36/51,488.34 = 12,138.85/x
  3. Step 3: Cross multiply
    34,325.36x = 51,488.34 × 12,138.85
  4. Step 4: Simplify right side
    34,325.36x = 625,009,236.01
  5. Step 5: Solve for x
    x = 625,009,236.01/34,325.36
  6. Step 6: Final answer
    x = 18,208.38

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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.