Home / 43,051.10-64,580.36-11,886.35

Finding the Fourth Proportional to 43,051.10, 64,580.36 and 11,886.35

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Solution

The fourth proportional to 43,051.10, 64,580.36 and 11,886.35 is: 17,830.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,051.10 : 64,580.36 = 11,886.35 : x
  2. Step 2: Convert to fraction form
    43,051.10/64,580.36 = 11,886.35/x
  3. Step 3: Cross multiply
    43,051.10x = 64,580.36 × 11,886.35
  4. Step 4: Simplify right side
    43,051.10x = 767,624,379.75
  5. Step 5: Solve for x
    x = 767,624,379.75/43,051.10
  6. Step 6: Final answer
    x = 17,830.54

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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.