Home / 55,316.06-82,983.32-17,871.72

Finding the Fourth Proportional to 55,316.06, 82,983.32 and 17,871.72

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Solution

The fourth proportional to 55,316.06, 82,983.32 and 17,871.72 is: 26,810.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,316.06 : 82,983.32 = 17,871.72 : x
  2. Step 2: Convert to fraction form
    55,316.06/82,983.32 = 17,871.72/x
  3. Step 3: Cross multiply
    55,316.06x = 82,983.32 × 17,871.72
  4. Step 4: Simplify right side
    55,316.06x = 1,483,054,693.32
  5. Step 5: Solve for x
    x = 1,483,054,693.32/55,316.06
  6. Step 6: Final answer
    x = 26,810.56

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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.