Home / 30,410.81-45,624.54-14,629.04

Finding the Fourth Proportional to 30,410.81, 45,624.54 and 14,629.04

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Solution

The fourth proportional to 30,410.81, 45,624.54 and 14,629.04 is: 21,947.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,410.81 : 45,624.54 = 14,629.04 : x
  2. Step 2: Convert to fraction form
    30,410.81/45,624.54 = 14,629.04/x
  3. Step 3: Cross multiply
    30,410.81x = 45,624.54 × 14,629.04
  4. Step 4: Simplify right side
    30,410.81x = 667,442,992.52
  5. Step 5: Solve for x
    x = 667,442,992.52/30,410.81
  6. Step 6: Final answer
    x = 21,947.56

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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.