Home / 38,172.25-57,262.29-13,212.25

Finding the Fourth Proportional to 38,172.25, 57,262.29 and 13,212.25

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Solution

The fourth proportional to 38,172.25, 57,262.29 and 13,212.25 is: 19,819.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,172.25 : 57,262.29 = 13,212.25 : x
  2. Step 2: Convert to fraction form
    38,172.25/57,262.29 = 13,212.25/x
  3. Step 3: Cross multiply
    38,172.25x = 57,262.29 × 13,212.25
  4. Step 4: Simplify right side
    38,172.25x = 756,563,894.77
  5. Step 5: Solve for x
    x = 756,563,894.77/38,172.25
  6. Step 6: Final answer
    x = 19,819.74

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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.