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Finding the Fourth Proportional to 43,615, 65,424.66 and 14,030.56

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Solution

The fourth proportional to 43,615, 65,424.66 and 14,030.56 is: 21,046.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,615 : 65,424.66 = 14,030.56 : x
  2. Step 2: Convert to fraction form
    43,615/65,424.66 = 14,030.56/x
  3. Step 3: Cross multiply
    43,615x = 65,424.66 × 14,030.56
  4. Step 4: Simplify right side
    43,615x = 917,944,617.61
  5. Step 5: Solve for x
    x = 917,944,617.61/43,615
  6. Step 6: Final answer
    x = 21,046.53

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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.