Home / 43,126.18-64,714.32-18,164.68

Finding the Fourth Proportional to 43,126.18, 64,714.32 and 18,164.68

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Solution

The fourth proportional to 43,126.18, 64,714.32 and 18,164.68 is: 27,257.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,126.18 : 64,714.32 = 18,164.68 : x
  2. Step 2: Convert to fraction form
    43,126.18/64,714.32 = 18,164.68/x
  3. Step 3: Cross multiply
    43,126.18x = 64,714.32 × 18,164.68
  4. Step 4: Simplify right side
    43,126.18x = 1,175,514,914.22
  5. Step 5: Solve for x
    x = 1,175,514,914.22/43,126.18
  6. Step 6: Final answer
    x = 27,257.57

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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.