Home / 43,366.07-65,049.11-13,783.91

Finding the Fourth Proportional to 43,366.07, 65,049.11 and 13,783.91

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Solution

The fourth proportional to 43,366.07, 65,049.11 and 13,783.91 is: 20,675.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,366.07 : 65,049.11 = 13,783.91 : x
  2. Step 2: Convert to fraction form
    43,366.07/65,049.11 = 13,783.91/x
  3. Step 3: Cross multiply
    43,366.07x = 65,049.11 × 13,783.91
  4. Step 4: Simplify right side
    43,366.07x = 896,630,683.66
  5. Step 5: Solve for x
    x = 896,630,683.66/43,366.07
  6. Step 6: Final answer
    x = 20,675.86

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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.