Home / 63,128.82-94,707.81-18,754.59

Finding the Fourth Proportional to 63,128.82, 94,707.81 and 18,754.59

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Solution

The fourth proportional to 63,128.82, 94,707.81 and 18,754.59 is: 28,136.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,128.82 : 94,707.81 = 18,754.59 : x
  2. Step 2: Convert to fraction form
    63,128.82/94,707.81 = 18,754.59/x
  3. Step 3: Cross multiply
    63,128.82x = 94,707.81 × 18,754.59
  4. Step 4: Simplify right side
    63,128.82x = 1,776,206,146.35
  5. Step 5: Solve for x
    x = 1,776,206,146.35/63,128.82
  6. Step 6: Final answer
    x = 28,136.22

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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.