Home / 63,128.07-94,706.68-18,753.84

Finding the Fourth Proportional to 63,128.07, 94,706.68 and 18,753.84

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Solution

The fourth proportional to 63,128.07, 94,706.68 and 18,753.84 is: 28,135.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,128.07 : 94,706.68 = 18,753.84 : x
  2. Step 2: Convert to fraction form
    63,128.07/94,706.68 = 18,753.84/x
  3. Step 3: Cross multiply
    63,128.07x = 94,706.68 × 18,753.84
  4. Step 4: Simplify right side
    63,128.07x = 1,776,113,923.65
  5. Step 5: Solve for x
    x = 1,776,113,923.65/63,128.07
  6. Step 6: Final answer
    x = 28,135.09

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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.