Home / 32,700.43-45,121.21-20,599.03

Finding the Fourth Proportional to 32,700.43, 45,121.21 and 20,599.03

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Solution

The fourth proportional to 32,700.43, 45,121.21 and 20,599.03 is: 28,423.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,700.43 : 45,121.21 = 20,599.03 : x
  2. Step 2: Convert to fraction form
    32,700.43/45,121.21 = 20,599.03/x
  3. Step 3: Cross multiply
    32,700.43x = 45,121.21 × 20,599.03
  4. Step 4: Simplify right side
    32,700.43x = 929,453,158.43
  5. Step 5: Solve for x
    x = 929,453,158.43/32,700.43
  6. Step 6: Final answer
    x = 28,423.27

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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.