Home / 53,120.84-73,305.96-31,625.60

Finding the Fourth Proportional to 53,120.84, 73,305.96 and 31,625.60

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Solution

The fourth proportional to 53,120.84, 73,305.96 and 31,625.60 is: 43,642.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,120.84 : 73,305.96 = 31,625.60 : x
  2. Step 2: Convert to fraction form
    53,120.84/73,305.96 = 31,625.60/x
  3. Step 3: Cross multiply
    53,120.84x = 73,305.96 × 31,625.60
  4. Step 4: Simplify right side
    53,120.84x = 2,318,344,968.58
  5. Step 5: Solve for x
    x = 2,318,344,968.58/53,120.84
  6. Step 6: Final answer
    x = 43,642.85

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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.