Home / 53,871.83-80,812.35-16,440.32

Finding the Fourth Proportional to 53,871.83, 80,812.35 and 16,440.32

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Solution

The fourth proportional to 53,871.83, 80,812.35 and 16,440.32 is: 24,661.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,871.83 : 80,812.35 = 16,440.32 : x
  2. Step 2: Convert to fraction form
    53,871.83/80,812.35 = 16,440.32/x
  3. Step 3: Cross multiply
    53,871.83x = 80,812.35 × 16,440.32
  4. Step 4: Simplify right side
    53,871.83x = 1,328,580,893.95
  5. Step 5: Solve for x
    x = 1,328,580,893.95/53,871.83
  6. Step 6: Final answer
    x = 24,661.89

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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.