Home / 33,011.86-45,559.48-18,861.96

Finding the Fourth Proportional to 33,011.86, 45,559.48 and 18,861.96

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Solution

The fourth proportional to 33,011.86, 45,559.48 and 18,861.96 is: 26,031.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,011.86 : 45,559.48 = 18,861.96 : x
  2. Step 2: Convert to fraction form
    33,011.86/45,559.48 = 18,861.96/x
  3. Step 3: Cross multiply
    33,011.86x = 45,559.48 × 18,861.96
  4. Step 4: Simplify right side
    33,011.86x = 859,341,089.38
  5. Step 5: Solve for x
    x = 859,341,089.38/33,011.86
  6. Step 6: Final answer
    x = 26,031.28

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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.