Home / 45,670.15-68,514.81-19,374.31

Finding the Fourth Proportional to 45,670.15, 68,514.81 and 19,374.31

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Solution

The fourth proportional to 45,670.15, 68,514.81 and 19,374.31 is: 29,065.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,670.15 : 68,514.81 = 19,374.31 : x
  2. Step 2: Convert to fraction form
    45,670.15/68,514.81 = 19,374.31/x
  3. Step 3: Cross multiply
    45,670.15x = 68,514.81 × 19,374.31
  4. Step 4: Simplify right side
    45,670.15x = 1,327,427,168.53
  5. Step 5: Solve for x
    x = 1,327,427,168.53/45,670.15
  6. Step 6: Final answer
    x = 29,065.53

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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.