Home / 33,157.96-45,753.30-19,011.40

Finding the Fourth Proportional to 33,157.96, 45,753.30 and 19,011.40

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Solution

The fourth proportional to 33,157.96, 45,753.30 and 19,011.40 is: 26,233.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,157.96 : 45,753.30 = 19,011.40 : x
  2. Step 2: Convert to fraction form
    33,157.96/45,753.30 = 19,011.40/x
  3. Step 3: Cross multiply
    33,157.96x = 45,753.30 × 19,011.40
  4. Step 4: Simplify right side
    33,157.96x = 869,834,287.62
  5. Step 5: Solve for x
    x = 869,834,287.62/33,157.96
  6. Step 6: Final answer
    x = 26,233.05

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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.