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Finding the Fourth Proportional to 53,097.40, 73,243.80 and 33,190.84

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Solution

The fourth proportional to 53,097.40, 73,243.80 and 33,190.84 is: 45,784.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,097.40 : 73,243.80 = 33,190.84 : x
  2. Step 2: Convert to fraction form
    53,097.40/73,243.80 = 33,190.84/x
  3. Step 3: Cross multiply
    53,097.40x = 73,243.80 × 33,190.84
  4. Step 4: Simplify right side
    53,097.40x = 2,431,023,246.79
  5. Step 5: Solve for x
    x = 2,431,023,246.79/53,097.40
  6. Step 6: Final answer
    x = 45,784.22

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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.