Home / 55,871.46-83,819.52-18,430.02

Finding the Fourth Proportional to 55,871.46, 83,819.52 and 18,430.02

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Solution

The fourth proportional to 55,871.46, 83,819.52 and 18,430.02 is: 27,649.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,871.46 : 83,819.52 = 18,430.02 : x
  2. Step 2: Convert to fraction form
    55,871.46/83,819.52 = 18,430.02/x
  3. Step 3: Cross multiply
    55,871.46x = 83,819.52 × 18,430.02
  4. Step 4: Simplify right side
    55,871.46x = 1,544,795,429.99
  5. Step 5: Solve for x
    x = 1,544,795,429.99/55,871.46
  6. Step 6: Final answer
    x = 27,649.10

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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.