Home / 53,003.40-73,209.60-39,634.13

Finding the Fourth Proportional to 53,003.40, 73,209.60 and 39,634.13

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Solution

The fourth proportional to 53,003.40, 73,209.60 and 39,634.13 is: 54,743.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,003.40 : 73,209.60 = 39,634.13 : x
  2. Step 2: Convert to fraction form
    53,003.40/73,209.60 = 39,634.13/x
  3. Step 3: Cross multiply
    53,003.40x = 73,209.60 × 39,634.13
  4. Step 4: Simplify right side
    53,003.40x = 2,901,598,437.60
  5. Step 5: Solve for x
    x = 2,901,598,437.60/53,003.40
  6. Step 6: Final answer
    x = 54,743.63

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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.