Home / 53,941.77-80,932.10-18,886.59

Finding the Fourth Proportional to 53,941.77, 80,932.10 and 18,886.59

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Solution

The fourth proportional to 53,941.77, 80,932.10 and 18,886.59 is: 28,336.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,941.77 : 80,932.10 = 18,886.59 : x
  2. Step 2: Convert to fraction form
    53,941.77/80,932.10 = 18,886.59/x
  3. Step 3: Cross multiply
    53,941.77x = 80,932.10 × 18,886.59
  4. Step 4: Simplify right side
    53,941.77x = 1,528,531,296.11
  5. Step 5: Solve for x
    x = 1,528,531,296.11/53,941.77
  6. Step 6: Final answer
    x = 28,336.69

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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.