Home / 51,972.45-71,721.98-28,099.11

Finding the Fourth Proportional to 51,972.45, 71,721.98 and 28,099.11

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Solution

The fourth proportional to 51,972.45, 71,721.98 and 28,099.11 is: 38,776.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,972.45 : 71,721.98 = 28,099.11 : x
  2. Step 2: Convert to fraction form
    51,972.45/71,721.98 = 28,099.11/x
  3. Step 3: Cross multiply
    51,972.45x = 71,721.98 × 28,099.11
  4. Step 4: Simplify right side
    51,972.45x = 2,015,323,664.94
  5. Step 5: Solve for x
    x = 2,015,323,664.94/51,972.45
  6. Step 6: Final answer
    x = 38,776.77

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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.