Home / 34,423.12-51,639-11,043.28

Finding the Fourth Proportional to 34,423.12, 51,639 and 11,043.28

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Solution

The fourth proportional to 34,423.12, 51,639 and 11,043.28 is: 16,566.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,423.12 : 51,639 = 11,043.28 : x
  2. Step 2: Convert to fraction form
    34,423.12/51,639 = 11,043.28/x
  3. Step 3: Cross multiply
    34,423.12x = 51,639 × 11,043.28
  4. Step 4: Simplify right side
    34,423.12x = 570,263,935.92
  5. Step 5: Solve for x
    x = 570,263,935.92/34,423.12
  6. Step 6: Final answer
    x = 16,566.31

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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.