Home / 53,519.70-80,273.21-14,079.90

Finding the Fourth Proportional to 53,519.70, 80,273.21 and 14,079.90

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Solution

The fourth proportional to 53,519.70, 80,273.21 and 14,079.90 is: 21,118.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,519.70 : 80,273.21 = 14,079.90 : x
  2. Step 2: Convert to fraction form
    53,519.70/80,273.21 = 14,079.90/x
  3. Step 3: Cross multiply
    53,519.70x = 80,273.21 × 14,079.90
  4. Step 4: Simplify right side
    53,519.70x = 1,130,238,699.08
  5. Step 5: Solve for x
    x = 1,130,238,699.08/53,519.70
  6. Step 6: Final answer
    x = 21,118.18

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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.