Home / 53,072.31-73,209.36-33,165.75

Finding the Fourth Proportional to 53,072.31, 73,209.36 and 33,165.75

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Solution

The fourth proportional to 53,072.31, 73,209.36 and 33,165.75 is: 45,749.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,072.31 : 73,209.36 = 33,165.75 : x
  2. Step 2: Convert to fraction form
    53,072.31/73,209.36 = 33,165.75/x
  3. Step 3: Cross multiply
    53,072.31x = 73,209.36 × 33,165.75
  4. Step 4: Simplify right side
    53,072.31x = 2,428,043,331.42
  5. Step 5: Solve for x
    x = 2,428,043,331.42/53,072.31
  6. Step 6: Final answer
    x = 45,749.72

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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.