Home / 38,106.85-57,139.35-11,804.29

Finding the Fourth Proportional to 38,106.85, 57,139.35 and 11,804.29

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Solution

The fourth proportional to 38,106.85, 57,139.35 and 11,804.29 is: 17,699.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,106.85 : 57,139.35 = 11,804.29 : x
  2. Step 2: Convert to fraction form
    38,106.85/57,139.35 = 11,804.29/x
  3. Step 3: Cross multiply
    38,106.85x = 57,139.35 × 11,804.29
  4. Step 4: Simplify right side
    38,106.85x = 674,489,457.81
  5. Step 5: Solve for x
    x = 674,489,457.81/38,106.85
  6. Step 6: Final answer
    x = 17,699.95

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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.