Home / 38,429.28-57,551.04-31,806.72

Finding the Fourth Proportional to 38,429.28, 57,551.04 and 31,806.72

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Solution

The fourth proportional to 38,429.28, 57,551.04 and 31,806.72 is: 47,633.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,429.28 : 57,551.04 = 31,806.72 : x
  2. Step 2: Convert to fraction form
    38,429.28/57,551.04 = 31,806.72/x
  3. Step 3: Cross multiply
    38,429.28x = 57,551.04 × 31,806.72
  4. Step 4: Simplify right side
    38,429.28x = 1,830,509,814.99
  5. Step 5: Solve for x
    x = 1,830,509,814.99/38,429.28
  6. Step 6: Final answer
    x = 47,633.21

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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.