Home / 63,128.23-94,705.30-18,751.03

Finding the Fourth Proportional to 63,128.23, 94,705.30 and 18,751.03

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Solution

The fourth proportional to 63,128.23, 94,705.30 and 18,751.03 is: 28,130.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,128.23 : 94,705.30 = 18,751.03 : x
  2. Step 2: Convert to fraction form
    63,128.23/94,705.30 = 18,751.03/x
  3. Step 3: Cross multiply
    63,128.23x = 94,705.30 × 18,751.03
  4. Step 4: Simplify right side
    63,128.23x = 1,775,821,708.13
  5. Step 5: Solve for x
    x = 1,775,821,708.13/63,128.23
  6. Step 6: Final answer
    x = 28,130.39

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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.