Home / 56,118.72-84,182.64-16,675.88

Finding the Fourth Proportional to 56,118.72, 84,182.64 and 16,675.88

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Solution

The fourth proportional to 56,118.72, 84,182.64 and 16,675.88 is: 25,015.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,118.72 : 84,182.64 = 16,675.88 : x
  2. Step 2: Convert to fraction form
    56,118.72/84,182.64 = 16,675.88/x
  3. Step 3: Cross multiply
    56,118.72x = 84,182.64 × 16,675.88
  4. Step 4: Simplify right side
    56,118.72x = 1,403,819,213.08
  5. Step 5: Solve for x
    x = 1,403,819,213.08/56,118.72
  6. Step 6: Final answer
    x = 25,015.17

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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.