Home / 44,945.72-67,416.06-13,780.88

Finding the Fourth Proportional to 44,945.72, 67,416.06 and 13,780.88

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Solution

The fourth proportional to 44,945.72, 67,416.06 and 13,780.88 is: 20,670.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,945.72 : 67,416.06 = 13,780.88 : x
  2. Step 2: Convert to fraction form
    44,945.72/67,416.06 = 13,780.88/x
  3. Step 3: Cross multiply
    44,945.72x = 67,416.06 × 13,780.88
  4. Step 4: Simplify right side
    44,945.72x = 929,052,632.93
  5. Step 5: Solve for x
    x = 929,052,632.93/44,945.72
  6. Step 6: Final answer
    x = 20,670.55

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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.