Home / 50,714.10-76,010.40-21,116.70

Finding the Fourth Proportional to 50,714.10, 76,010.40 and 21,116.70

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Solution

The fourth proportional to 50,714.10, 76,010.40 and 21,116.70 is: 31,649.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,714.10 : 76,010.40 = 21,116.70 : x
  2. Step 2: Convert to fraction form
    50,714.10/76,010.40 = 21,116.70/x
  3. Step 3: Cross multiply
    50,714.10x = 76,010.40 × 21,116.70
  4. Step 4: Simplify right side
    50,714.10x = 1,605,088,813.68
  5. Step 5: Solve for x
    x = 1,605,088,813.68/50,714.10
  6. Step 6: Final answer
    x = 31,649.75

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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.