Home / 77,714.18-116,571.26-21,554.28

Finding the Fourth Proportional to 77,714.18, 116,571.26 and 21,554.28

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Solution

The fourth proportional to 77,714.18, 116,571.26 and 21,554.28 is: 32,331.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,714.18 : 116,571.26 = 21,554.28 : x
  2. Step 2: Convert to fraction form
    77,714.18/116,571.26 = 21,554.28/x
  3. Step 3: Cross multiply
    77,714.18x = 116,571.26 × 21,554.28
  4. Step 4: Simplify right side
    77,714.18x = 2,512,609,631.88
  5. Step 5: Solve for x
    x = 2,512,609,631.88/77,714.18
  6. Step 6: Final answer
    x = 32,331.42

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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.