Home / 53,276.46-79,918.65-13,833.78

Finding the Fourth Proportional to 53,276.46, 79,918.65 and 13,833.78

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Solution

The fourth proportional to 53,276.46, 79,918.65 and 13,833.78 is: 20,751.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,276.46 : 79,918.65 = 13,833.78 : x
  2. Step 2: Convert to fraction form
    53,276.46/79,918.65 = 13,833.78/x
  3. Step 3: Cross multiply
    53,276.46x = 79,918.65 × 13,833.78
  4. Step 4: Simplify right side
    53,276.46x = 1,105,577,022.00
  5. Step 5: Solve for x
    x = 1,105,577,022.00/53,276.46
  6. Step 6: Final answer
    x = 20,751.70

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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.