Home / 53,560.39-73,912.08-30,899.43

Finding the Fourth Proportional to 53,560.39, 73,912.08 and 30,899.43

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Solution

The fourth proportional to 53,560.39, 73,912.08 and 30,899.43 is: 42,640.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,560.39 : 73,912.08 = 30,899.43 : x
  2. Step 2: Convert to fraction form
    53,560.39/73,912.08 = 30,899.43/x
  3. Step 3: Cross multiply
    53,560.39x = 73,912.08 × 30,899.43
  4. Step 4: Simplify right side
    53,560.39x = 2,283,841,142.11
  5. Step 5: Solve for x
    x = 2,283,841,142.11/53,560.39
  6. Step 6: Final answer
    x = 42,640.49

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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.