Home / 34,338.12-51,530.26-12,151.40

Finding the Fourth Proportional to 34,338.12, 51,530.26 and 12,151.40

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Solution

The fourth proportional to 34,338.12, 51,530.26 and 12,151.40 is: 18,235.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,338.12 : 51,530.26 = 12,151.40 : x
  2. Step 2: Convert to fraction form
    34,338.12/51,530.26 = 12,151.40/x
  3. Step 3: Cross multiply
    34,338.12x = 51,530.26 × 12,151.40
  4. Step 4: Simplify right side
    34,338.12x = 626,164,801.36
  5. Step 5: Solve for x
    x = 626,164,801.36/34,338.12
  6. Step 6: Final answer
    x = 18,235.27

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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.