Home / 29,428.04-40,611.49-16,000.20

Finding the Fourth Proportional to 29,428.04, 40,611.49 and 16,000.20

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Solution

The fourth proportional to 29,428.04, 40,611.49 and 16,000.20 is: 22,080.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,428.04 : 40,611.49 = 16,000.20 : x
  2. Step 2: Convert to fraction form
    29,428.04/40,611.49 = 16,000.20/x
  3. Step 3: Cross multiply
    29,428.04x = 40,611.49 × 16,000.20
  4. Step 4: Simplify right side
    29,428.04x = 649,791,962.30
  5. Step 5: Solve for x
    x = 649,791,962.30/29,428.04
  6. Step 6: Final answer
    x = 22,080.71

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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.