Home / 55,791.45-83,687.13-14,238.45

Finding the Fourth Proportional to 55,791.45, 83,687.13 and 14,238.45

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Solution

The fourth proportional to 55,791.45, 83,687.13 and 14,238.45 is: 21,357.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,791.45 : 83,687.13 = 14,238.45 : x
  2. Step 2: Convert to fraction form
    55,791.45/83,687.13 = 14,238.45/x
  3. Step 3: Cross multiply
    55,791.45x = 83,687.13 × 14,238.45
  4. Step 4: Simplify right side
    55,791.45x = 1,191,575,016.15
  5. Step 5: Solve for x
    x = 1,191,575,016.15/55,791.45
  6. Step 6: Final answer
    x = 21,357.66

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1.5x scale

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.