Home / 56,173.12-84,259.44-14,620

Finding the Fourth Proportional to 56,173.12, 84,259.44 and 14,620

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Solution

The fourth proportional to 56,173.12, 84,259.44 and 14,620 is: 21,929.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,173.12 : 84,259.44 = 14,620 : x
  2. Step 2: Convert to fraction form
    56,173.12/84,259.44 = 14,620/x
  3. Step 3: Cross multiply
    56,173.12x = 84,259.44 × 14,620
  4. Step 4: Simplify right side
    56,173.12x = 1,231,873,012.80
  5. Step 5: Solve for x
    x = 1,231,873,012.80/56,173.12
  6. Step 6: Final answer
    x = 21,929.94

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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.