Home / 38,821.37-58,245.71-19,113.76

Finding the Fourth Proportional to 38,821.37, 58,245.71 and 19,113.76

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Solution

The fourth proportional to 38,821.37, 58,245.71 and 19,113.76 is: 28,677.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,821.37 : 58,245.71 = 19,113.76 : x
  2. Step 2: Convert to fraction form
    38,821.37/58,245.71 = 19,113.76/x
  3. Step 3: Cross multiply
    38,821.37x = 58,245.71 × 19,113.76
  4. Step 4: Simplify right side
    38,821.37x = 1,113,294,424.14
  5. Step 5: Solve for x
    x = 1,113,294,424.14/38,821.37
  6. Step 6: Final answer
    x = 28,677.36

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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.