Home / 55,786.14-83,661.93-18,841.50

Finding the Fourth Proportional to 55,786.14, 83,661.93 and 18,841.50

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Solution

The fourth proportional to 55,786.14, 83,661.93 and 18,841.50 is: 28,256.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,786.14 : 83,661.93 = 18,841.50 : x
  2. Step 2: Convert to fraction form
    55,786.14/83,661.93 = 18,841.50/x
  3. Step 3: Cross multiply
    55,786.14x = 83,661.93 × 18,841.50
  4. Step 4: Simplify right side
    55,786.14x = 1,576,316,254.10
  5. Step 5: Solve for x
    x = 1,576,316,254.10/55,786.14
  6. Step 6: Final answer
    x = 28,256.41

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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.