Home / 56,431.44-84,659.40-16,985.52

Finding the Fourth Proportional to 56,431.44, 84,659.40 and 16,985.52

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Solution

The fourth proportional to 56,431.44, 84,659.40 and 16,985.52 is: 25,481.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,431.44 : 84,659.40 = 16,985.52 : x
  2. Step 2: Convert to fraction form
    56,431.44/84,659.40 = 16,985.52/x
  3. Step 3: Cross multiply
    56,431.44x = 84,659.40 × 16,985.52
  4. Step 4: Simplify right side
    56,431.44x = 1,437,983,931.89
  5. Step 5: Solve for x
    x = 1,437,983,931.89/56,431.44
  6. Step 6: Final answer
    x = 25,481.96

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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.