Home / 32,900.28-45,402.78-18,754.44

Finding the Fourth Proportional to 32,900.28, 45,402.78 and 18,754.44

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Solution

The fourth proportional to 32,900.28, 45,402.78 and 18,754.44 is: 25,881.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,900.28 : 45,402.78 = 18,754.44 : x
  2. Step 2: Convert to fraction form
    32,900.28/45,402.78 = 18,754.44/x
  3. Step 3: Cross multiply
    32,900.28x = 45,402.78 × 18,754.44
  4. Step 4: Simplify right side
    32,900.28x = 851,503,713.34
  5. Step 5: Solve for x
    x = 851,503,713.34/32,900.28
  6. Step 6: Final answer
    x = 25,881.35

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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.