Home / 53,269.76-79,917.65-17,731.01

Finding the Fourth Proportional to 53,269.76, 79,917.65 and 17,731.01

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Solution

The fourth proportional to 53,269.76, 79,917.65 and 17,731.01 is: 26,600.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,269.76 : 79,917.65 = 17,731.01 : x
  2. Step 2: Convert to fraction form
    53,269.76/79,917.65 = 17,731.01/x
  3. Step 3: Cross multiply
    53,269.76x = 79,917.65 × 17,731.01
  4. Step 4: Simplify right side
    53,269.76x = 1,417,020,163.08
  5. Step 5: Solve for x
    x = 1,417,020,163.08/53,269.76
  6. Step 6: Final answer
    x = 26,600.84

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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.