Home / 29,676.42-40,953.97-18,345.63

Finding the Fourth Proportional to 29,676.42, 40,953.97 and 18,345.63

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Solution

The fourth proportional to 29,676.42, 40,953.97 and 18,345.63 is: 25,317.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,676.42 : 40,953.97 = 18,345.63 : x
  2. Step 2: Convert to fraction form
    29,676.42/40,953.97 = 18,345.63/x
  3. Step 3: Cross multiply
    29,676.42x = 40,953.97 × 18,345.63
  4. Step 4: Simplify right side
    29,676.42x = 751,326,334.79
  5. Step 5: Solve for x
    x = 751,326,334.79/29,676.42
  6. Step 6: Final answer
    x = 25,317.29

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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.