Home / 43,124.14-64,664.34-19,730.53

Finding the Fourth Proportional to 43,124.14, 64,664.34 and 19,730.53

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Solution

The fourth proportional to 43,124.14, 64,664.34 and 19,730.53 is: 29,585.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,124.14 : 64,664.34 = 19,730.53 : x
  2. Step 2: Convert to fraction form
    43,124.14/64,664.34 = 19,730.53/x
  3. Step 3: Cross multiply
    43,124.14x = 64,664.34 × 19,730.53
  4. Step 4: Simplify right side
    43,124.14x = 1,275,861,707.14
  5. Step 5: Solve for x
    x = 1,275,861,707.14/43,124.14
  6. Step 6: Final answer
    x = 29,585.79

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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.