Home / 56,884.12-85,336.31-19,448.35

Finding the Fourth Proportional to 56,884.12, 85,336.31 and 19,448.35

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Solution

The fourth proportional to 56,884.12, 85,336.31 and 19,448.35 is: 29,175.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,884.12 : 85,336.31 = 19,448.35 : x
  2. Step 2: Convert to fraction form
    56,884.12/85,336.31 = 19,448.35/x
  3. Step 3: Cross multiply
    56,884.12x = 85,336.31 × 19,448.35
  4. Step 4: Simplify right side
    56,884.12x = 1,659,650,424.59
  5. Step 5: Solve for x
    x = 1,659,650,424.59/56,884.12
  6. Step 6: Final answer
    x = 29,175.99

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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.