Home / 52,845.44-72,926.41-28,972.31

Finding the Fourth Proportional to 52,845.44, 72,926.41 and 28,972.31

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Solution

The fourth proportional to 52,845.44, 72,926.41 and 28,972.31 is: 39,981.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,845.44 : 72,926.41 = 28,972.31 : x
  2. Step 2: Convert to fraction form
    52,845.44/72,926.41 = 28,972.31/x
  3. Step 3: Cross multiply
    52,845.44x = 72,926.41 × 28,972.31
  4. Step 4: Simplify right side
    52,845.44x = 2,112,846,412.85
  5. Step 5: Solve for x
    x = 2,112,846,412.85/52,845.44
  6. Step 6: Final answer
    x = 39,981.62

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1.5x scale

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.