Home / 53,221.09-73,442.40-30,250.30

Finding the Fourth Proportional to 53,221.09, 73,442.40 and 30,250.30

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Solution

The fourth proportional to 53,221.09, 73,442.40 and 30,250.30 is: 41,743.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,221.09 : 73,442.40 = 30,250.30 : x
  2. Step 2: Convert to fraction form
    53,221.09/73,442.40 = 30,250.30/x
  3. Step 3: Cross multiply
    53,221.09x = 73,442.40 × 30,250.30
  4. Step 4: Simplify right side
    53,221.09x = 2,221,654,632.72
  5. Step 5: Solve for x
    x = 2,221,654,632.72/53,221.09
  6. Step 6: Final answer
    x = 41,743.88

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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.