Home / 38,633.68-57,955.92-12,329.47

Finding the Fourth Proportional to 38,633.68, 57,955.92 and 12,329.47

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Solution

The fourth proportional to 38,633.68, 57,955.92 and 12,329.47 is: 18,495.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,633.68 : 57,955.92 = 12,329.47 : x
  2. Step 2: Convert to fraction form
    38,633.68/57,955.92 = 12,329.47/x
  3. Step 3: Cross multiply
    38,633.68x = 57,955.92 × 12,329.47
  4. Step 4: Simplify right side
    38,633.68x = 714,565,776.96
  5. Step 5: Solve for x
    x = 714,565,776.96/38,633.68
  6. Step 6: Final answer
    x = 18,495.93

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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.