Home / 38,172.29-57,262.67-13,214.57

Finding the Fourth Proportional to 38,172.29, 57,262.67 and 13,214.57

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Solution

The fourth proportional to 38,172.29, 57,262.67 and 13,214.57 is: 19,823.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,172.29 : 57,262.67 = 13,214.57 : x
  2. Step 2: Convert to fraction form
    38,172.29/57,262.67 = 13,214.57/x
  3. Step 3: Cross multiply
    38,172.29x = 57,262.67 × 13,214.57
  4. Step 4: Simplify right side
    38,172.29x = 756,701,208.72
  5. Step 5: Solve for x
    x = 756,701,208.72/38,172.29
  6. Step 6: Final answer
    x = 19,823.31

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1.5x scale

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.