Home / 43,315.61-64,975.16-13,732.79

Finding the Fourth Proportional to 43,315.61, 64,975.16 and 13,732.79

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Solution

The fourth proportional to 43,315.61, 64,975.16 and 13,732.79 is: 20,599.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,315.61 : 64,975.16 = 13,732.79 : x
  2. Step 2: Convert to fraction form
    43,315.61/64,975.16 = 13,732.79/x
  3. Step 3: Cross multiply
    43,315.61x = 64,975.16 × 13,732.79
  4. Step 4: Simplify right side
    43,315.61x = 892,289,936.95
  5. Step 5: Solve for x
    x = 892,289,936.95/43,315.61
  6. Step 6: Final answer
    x = 20,599.73

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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.