Home / 45,811.96-68,669.98-19,173.21

Finding the Fourth Proportional to 45,811.96, 68,669.98 and 19,173.21

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Solution

The fourth proportional to 45,811.96, 68,669.98 and 19,173.21 is: 28,739.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,811.96 : 68,669.98 = 19,173.21 : x
  2. Step 2: Convert to fraction form
    45,811.96/68,669.98 = 19,173.21/x
  3. Step 3: Cross multiply
    45,811.96x = 68,669.98 × 19,173.21
  4. Step 4: Simplify right side
    45,811.96x = 1,316,623,899.30
  5. Step 5: Solve for x
    x = 1,316,623,899.30/45,811.96
  6. Step 6: Final answer
    x = 28,739.74

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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.