Home / 52,972.86-73,103.09-28,774.30

Finding the Fourth Proportional to 52,972.86, 73,103.09 and 28,774.30

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Solution

The fourth proportional to 52,972.86, 73,103.09 and 28,774.30 is: 39,708.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,972.86 : 73,103.09 = 28,774.30 : x
  2. Step 2: Convert to fraction form
    52,972.86/73,103.09 = 28,774.30/x
  3. Step 3: Cross multiply
    52,972.86x = 73,103.09 × 28,774.30
  4. Step 4: Simplify right side
    52,972.86x = 2,103,490,242.59
  5. Step 5: Solve for x
    x = 2,103,490,242.59/52,972.86
  6. Step 6: Final answer
    x = 39,708.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.