Home / 35,996.58-54,011.28-18,478.72

Finding the Fourth Proportional to 35,996.58, 54,011.28 and 18,478.72

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Solution

The fourth proportional to 35,996.58, 54,011.28 and 18,478.72 is: 27,726.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,996.58 : 54,011.28 = 18,478.72 : x
  2. Step 2: Convert to fraction form
    35,996.58/54,011.28 = 18,478.72/x
  3. Step 3: Cross multiply
    35,996.58x = 54,011.28 × 18,478.72
  4. Step 4: Simplify right side
    35,996.58x = 998,059,319.96
  5. Step 5: Solve for x
    x = 998,059,319.96/35,996.58
  6. Step 6: Final answer
    x = 27,726.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.