Home / 38,010.14-52,453.72-21,015.13

Finding the Fourth Proportional to 38,010.14, 52,453.72 and 21,015.13

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Solution

The fourth proportional to 38,010.14, 52,453.72 and 21,015.13 is: 29,000.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,010.14 : 52,453.72 = 21,015.13 : x
  2. Step 2: Convert to fraction form
    38,010.14/52,453.72 = 21,015.13/x
  3. Step 3: Cross multiply
    38,010.14x = 52,453.72 × 21,015.13
  4. Step 4: Simplify right side
    38,010.14x = 1,102,321,639.92
  5. Step 5: Solve for x
    x = 1,102,321,639.92/38,010.14
  6. Step 6: Final answer
    x = 29,000.72

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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.