Home / 30,939.72-46,367.64-14,263.08

Finding the Fourth Proportional to 30,939.72, 46,367.64 and 14,263.08

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Solution

The fourth proportional to 30,939.72, 46,367.64 and 14,263.08 is: 21,375.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,939.72 : 46,367.64 = 14,263.08 : x
  2. Step 2: Convert to fraction form
    30,939.72/46,367.64 = 14,263.08/x
  3. Step 3: Cross multiply
    30,939.72x = 46,367.64 × 14,263.08
  4. Step 4: Simplify right side
    30,939.72x = 661,345,358.73
  5. Step 5: Solve for x
    x = 661,345,358.73/30,939.72
  6. Step 6: Final answer
    x = 21,375.29

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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.