Home / 45,272.98-67,811.19-27,689.50

Finding the Fourth Proportional to 45,272.98, 67,811.19 and 27,689.50

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Solution

The fourth proportional to 45,272.98, 67,811.19 and 27,689.50 is: 41,474.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,272.98 : 67,811.19 = 27,689.50 : x
  2. Step 2: Convert to fraction form
    45,272.98/67,811.19 = 27,689.50/x
  3. Step 3: Cross multiply
    45,272.98x = 67,811.19 × 27,689.50
  4. Step 4: Simplify right side
    45,272.98x = 1,877,657,945.51
  5. Step 5: Solve for x
    x = 1,877,657,945.51/45,272.98
  6. Step 6: Final answer
    x = 41,474.14

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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.