Home / 43,317.58-64,985.56-13,731.52

Finding the Fourth Proportional to 43,317.58, 64,985.56 and 13,731.52

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Solution

The fourth proportional to 43,317.58, 64,985.56 and 13,731.52 is: 20,600.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,317.58 : 64,985.56 = 13,731.52 : x
  2. Step 2: Convert to fraction form
    43,317.58/64,985.56 = 13,731.52/x
  3. Step 3: Cross multiply
    43,317.58x = 64,985.56 × 13,731.52
  4. Step 4: Simplify right side
    43,317.58x = 892,350,516.85
  5. Step 5: Solve for x
    x = 892,350,516.85/43,317.58
  6. Step 6: Final answer
    x = 20,600.19

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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.