Home / 52,642.22-78,954.69-18,901.26

Finding the Fourth Proportional to 52,642.22, 78,954.69 and 18,901.26

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Solution

The fourth proportional to 52,642.22, 78,954.69 and 18,901.26 is: 28,348.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,642.22 : 78,954.69 = 18,901.26 : x
  2. Step 2: Convert to fraction form
    52,642.22/78,954.69 = 18,901.26/x
  3. Step 3: Cross multiply
    52,642.22x = 78,954.69 × 18,901.26
  4. Step 4: Simplify right side
    52,642.22x = 1,492,342,756.95
  5. Step 5: Solve for x
    x = 1,492,342,756.95/52,642.22
  6. Step 6: Final answer
    x = 28,348.78

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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.