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Finding the Fourth Proportional to 30,888, 46,339.74 and 14,259.66

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Solution

The fourth proportional to 30,888, 46,339.74 and 14,259.66 is: 21,393.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,888 : 46,339.74 = 14,259.66 : x
  2. Step 2: Convert to fraction form
    30,888/46,339.74 = 14,259.66/x
  3. Step 3: Cross multiply
    30,888x = 46,339.74 × 14,259.66
  4. Step 4: Simplify right side
    30,888x = 660,788,936.89
  5. Step 5: Solve for x
    x = 660,788,936.89/30,888
  6. Step 6: Final answer
    x = 21,393.06

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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.