Home / 37,912.06-52,318.28-20,916.44

Finding the Fourth Proportional to 37,912.06, 52,318.28 and 20,916.44

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Solution

The fourth proportional to 37,912.06, 52,318.28 and 20,916.44 is: 28,864.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,912.06 : 52,318.28 = 20,916.44 : x
  2. Step 2: Convert to fraction form
    37,912.06/52,318.28 = 20,916.44/x
  3. Step 3: Cross multiply
    37,912.06x = 52,318.28 × 20,916.44
  4. Step 4: Simplify right side
    37,912.06x = 1,094,312,072.98
  5. Step 5: Solve for x
    x = 1,094,312,072.98/37,912.06
  6. Step 6: Final answer
    x = 28,864.49

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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.