Home / 40,519.50-55,915.46-22,617.56

Finding the Fourth Proportional to 40,519.50, 55,915.46 and 22,617.56

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Solution

The fourth proportional to 40,519.50, 55,915.46 and 22,617.56 is: 31,211.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,519.50 : 55,915.46 = 22,617.56 : x
  2. Step 2: Convert to fraction form
    40,519.50/55,915.46 = 22,617.56/x
  3. Step 3: Cross multiply
    40,519.50x = 55,915.46 × 22,617.56
  4. Step 4: Simplify right side
    40,519.50x = 1,264,671,271.48
  5. Step 5: Solve for x
    x = 1,264,671,271.48/40,519.50
  6. Step 6: Final answer
    x = 31,211.42

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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.