Home / 45,673.23-68,412.51-21,945.90

Finding the Fourth Proportional to 45,673.23, 68,412.51 and 21,945.90

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Solution

The fourth proportional to 45,673.23, 68,412.51 and 21,945.90 is: 32,872.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,673.23 : 68,412.51 = 21,945.90 : x
  2. Step 2: Convert to fraction form
    45,673.23/68,412.51 = 21,945.90/x
  3. Step 3: Cross multiply
    45,673.23x = 68,412.51 × 21,945.90
  4. Step 4: Simplify right side
    45,673.23x = 1,501,374,103.21
  5. Step 5: Solve for x
    x = 1,501,374,103.21/45,673.23
  6. Step 6: Final answer
    x = 32,872.08

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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.