Home / 56,525.21-84,789.62-28,429.93

Finding the Fourth Proportional to 56,525.21, 84,789.62 and 28,429.93

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Solution

The fourth proportional to 56,525.21, 84,789.62 and 28,429.93 is: 42,645.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,525.21 : 84,789.62 = 28,429.93 : x
  2. Step 2: Convert to fraction form
    56,525.21/84,789.62 = 28,429.93/x
  3. Step 3: Cross multiply
    56,525.21x = 84,789.62 × 28,429.93
  4. Step 4: Simplify right side
    56,525.21x = 2,410,562,820.43
  5. Step 5: Solve for x
    x = 2,410,562,820.43/56,525.21
  6. Step 6: Final answer
    x = 42,645.80

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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.