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Finding the Fourth Proportional to 53,406, 80,110.08 and 16,470

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Solution

The fourth proportional to 53,406, 80,110.08 and 16,470 is: 24,705.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,406 : 80,110.08 = 16,470 : x
  2. Step 2: Convert to fraction form
    53,406/80,110.08 = 16,470/x
  3. Step 3: Cross multiply
    53,406x = 80,110.08 × 16,470
  4. Step 4: Simplify right side
    53,406x = 1,319,413,017.60
  5. Step 5: Solve for x
    x = 1,319,413,017.60/53,406
  6. Step 6: Final answer
    x = 24,705.33

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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.