Home / 38,010.60-52,453.50-21,243.56

Finding the Fourth Proportional to 38,010.60, 52,453.50 and 21,243.56

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Solution

The fourth proportional to 38,010.60, 52,453.50 and 21,243.56 is: 29,315.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,010.60 : 52,453.50 = 21,243.56 : x
  2. Step 2: Convert to fraction form
    38,010.60/52,453.50 = 21,243.56/x
  3. Step 3: Cross multiply
    38,010.60x = 52,453.50 × 21,243.56
  4. Step 4: Simplify right side
    38,010.60x = 1,114,299,074.46
  5. Step 5: Solve for x
    x = 1,114,299,074.46/38,010.60
  6. Step 6: Final answer
    x = 29,315.48

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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.