Home / 38,230.77-52,758.44-21,236.59

Finding the Fourth Proportional to 38,230.77, 52,758.44 and 21,236.59

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Solution

The fourth proportional to 38,230.77, 52,758.44 and 21,236.59 is: 29,306.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,230.77 : 52,758.44 = 21,236.59 : x
  2. Step 2: Convert to fraction form
    38,230.77/52,758.44 = 21,236.59/x
  3. Step 3: Cross multiply
    38,230.77x = 52,758.44 × 21,236.59
  4. Step 4: Simplify right side
    38,230.77x = 1,120,409,518.18
  5. Step 5: Solve for x
    x = 1,120,409,518.18/38,230.77
  6. Step 6: Final answer
    x = 29,306.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.