Home / 23,043.71-31,815.62-14,442.82

Finding the Fourth Proportional to 23,043.71, 31,815.62 and 14,442.82

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Solution

The fourth proportional to 23,043.71, 31,815.62 and 14,442.82 is: 19,940.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,043.71 : 31,815.62 = 14,442.82 : x
  2. Step 2: Convert to fraction form
    23,043.71/31,815.62 = 14,442.82/x
  3. Step 3: Cross multiply
    23,043.71x = 31,815.62 × 14,442.82
  4. Step 4: Simplify right side
    23,043.71x = 459,507,240.40
  5. Step 5: Solve for x
    x = 459,507,240.40/23,043.71
  6. Step 6: Final answer
    x = 19,940.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.