Home / 44,051.78-66,079.97-20,381.43

Finding the Fourth Proportional to 44,051.78, 66,079.97 and 20,381.43

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Solution

The fourth proportional to 44,051.78, 66,079.97 and 20,381.43 is: 30,573.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,051.78 : 66,079.97 = 20,381.43 : x
  2. Step 2: Convert to fraction form
    44,051.78/66,079.97 = 20,381.43/x
  3. Step 3: Cross multiply
    44,051.78x = 66,079.97 × 20,381.43
  4. Step 4: Simplify right side
    44,051.78x = 1,346,804,619.93
  5. Step 5: Solve for x
    x = 1,346,804,619.93/44,051.78
  6. Step 6: Final answer
    x = 30,573.22

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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.