Home / 35,653.14-53,471.61-15,921

Finding the Fourth Proportional to 35,653.14, 53,471.61 and 15,921

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Solution

The fourth proportional to 35,653.14, 53,471.61 and 15,921 is: 23,877.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,653.14 : 53,471.61 = 15,921 : x
  2. Step 2: Convert to fraction form
    35,653.14/53,471.61 = 15,921/x
  3. Step 3: Cross multiply
    35,653.14x = 53,471.61 × 15,921
  4. Step 4: Simplify right side
    35,653.14x = 851,321,502.81
  5. Step 5: Solve for x
    x = 851,321,502.81/35,653.14
  6. Step 6: Final answer
    x = 23,877.88

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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.