Home / 45,814.64-68,710.86-19,146.20

Finding the Fourth Proportional to 45,814.64, 68,710.86 and 19,146.20

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Solution

The fourth proportional to 45,814.64, 68,710.86 and 19,146.20 is: 28,714.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,814.64 : 68,710.86 = 19,146.20 : x
  2. Step 2: Convert to fraction form
    45,814.64/68,710.86 = 19,146.20/x
  3. Step 3: Cross multiply
    45,814.64x = 68,710.86 × 19,146.20
  4. Step 4: Simplify right side
    45,814.64x = 1,315,551,524.18
  5. Step 5: Solve for x
    x = 1,315,551,524.18/45,814.64
  6. Step 6: Final answer
    x = 28,714.66

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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.