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Finding the Fourth Proportional to 46,254.69, 69,409.71 and 19,959.43

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Solution

The fourth proportional to 46,254.69, 69,409.71 and 19,959.43 is: 29,951.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,254.69 : 69,409.71 = 19,959.43 : x
  2. Step 2: Convert to fraction form
    46,254.69/69,409.71 = 19,959.43/x
  3. Step 3: Cross multiply
    46,254.69x = 69,409.71 × 19,959.43
  4. Step 4: Simplify right side
    46,254.69x = 1,385,378,248.07
  5. Step 5: Solve for x
    x = 1,385,378,248.07/46,254.69
  6. Step 6: Final answer
    x = 29,951.09

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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.