Home / 43,315.29-64,975.23-13,730.85

Finding the Fourth Proportional to 43,315.29, 64,975.23 and 13,730.85

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Solution

The fourth proportional to 43,315.29, 64,975.23 and 13,730.85 is: 20,597.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,315.29 : 64,975.23 = 13,730.85 : x
  2. Step 2: Convert to fraction form
    43,315.29/64,975.23 = 13,730.85/x
  3. Step 3: Cross multiply
    43,315.29x = 64,975.23 × 13,730.85
  4. Step 4: Simplify right side
    43,315.29x = 892,165,136.85
  5. Step 5: Solve for x
    x = 892,165,136.85/43,315.29
  6. Step 6: Final answer
    x = 20,597.00

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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.