Home / 40,079.46-55,299.70-25,915.26

Finding the Fourth Proportional to 40,079.46, 55,299.70 and 25,915.26

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Solution

The fourth proportional to 40,079.46, 55,299.70 and 25,915.26 is: 35,756.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,079.46 : 55,299.70 = 25,915.26 : x
  2. Step 2: Convert to fraction form
    40,079.46/55,299.70 = 25,915.26/x
  3. Step 3: Cross multiply
    40,079.46x = 55,299.70 × 25,915.26
  4. Step 4: Simplify right side
    40,079.46x = 1,433,106,103.42
  5. Step 5: Solve for x
    x = 1,433,106,103.42/40,079.46
  6. Step 6: Final answer
    x = 35,756.62

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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.