Home / 35,979.39-54,040.23-21,776.58

Finding the Fourth Proportional to 35,979.39, 54,040.23 and 21,776.58

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Solution

The fourth proportional to 35,979.39, 54,040.23 and 21,776.58 is: 32,707.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,979.39 : 54,040.23 = 21,776.58 : x
  2. Step 2: Convert to fraction form
    35,979.39/54,040.23 = 21,776.58/x
  3. Step 3: Cross multiply
    35,979.39x = 54,040.23 × 21,776.58
  4. Step 4: Simplify right side
    35,979.39x = 1,176,811,391.81
  5. Step 5: Solve for x
    x = 1,176,811,391.81/35,979.39
  6. Step 6: Final answer
    x = 32,707.93

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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.