Home / 43,339.34-65,008.80-13,756.52

Finding the Fourth Proportional to 43,339.34, 65,008.80 and 13,756.52

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Solution

The fourth proportional to 43,339.34, 65,008.80 and 13,756.52 is: 20,634.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,339.34 : 65,008.80 = 13,756.52 : x
  2. Step 2: Convert to fraction form
    43,339.34/65,008.80 = 13,756.52/x
  3. Step 3: Cross multiply
    43,339.34x = 65,008.80 × 13,756.52
  4. Step 4: Simplify right side
    43,339.34x = 894,294,857.38
  5. Step 5: Solve for x
    x = 894,294,857.38/43,339.34
  6. Step 6: Final answer
    x = 20,634.71

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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.