Home / 43,377.04-65,059.80-12,214.72

Finding the Fourth Proportional to 43,377.04, 65,059.80 and 12,214.72

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Solution

The fourth proportional to 43,377.04, 65,059.80 and 12,214.72 is: 18,320.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,377.04 : 65,059.80 = 12,214.72 : x
  2. Step 2: Convert to fraction form
    43,377.04/65,059.80 = 12,214.72/x
  3. Step 3: Cross multiply
    43,377.04x = 65,059.80 × 12,214.72
  4. Step 4: Simplify right side
    43,377.04x = 794,687,240.26
  5. Step 5: Solve for x
    x = 794,687,240.26/43,377.04
  6. Step 6: Final answer
    x = 18,320.46

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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.