Home / 29,279.63-40,390.97-17,791.45

Finding the Fourth Proportional to 29,279.63, 40,390.97 and 17,791.45

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Solution

The fourth proportional to 29,279.63, 40,390.97 and 17,791.45 is: 24,543.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,279.63 : 40,390.97 = 17,791.45 : x
  2. Step 2: Convert to fraction form
    29,279.63/40,390.97 = 17,791.45/x
  3. Step 3: Cross multiply
    29,279.63x = 40,390.97 × 17,791.45
  4. Step 4: Simplify right side
    29,279.63x = 718,613,733.27
  5. Step 5: Solve for x
    x = 718,613,733.27/29,279.63
  6. Step 6: Final answer
    x = 24,543.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.