Home / 66,346.94-91,559.04-39,489.32

Finding the Fourth Proportional to 66,346.94, 91,559.04 and 39,489.32

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Solution

The fourth proportional to 66,346.94, 91,559.04 and 39,489.32 is: 54,495.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,346.94 : 91,559.04 = 39,489.32 : x
  2. Step 2: Convert to fraction form
    66,346.94/91,559.04 = 39,489.32/x
  3. Step 3: Cross multiply
    66,346.94x = 91,559.04 × 39,489.32
  4. Step 4: Simplify right side
    66,346.94x = 3,615,604,229.45
  5. Step 5: Solve for x
    x = 3,615,604,229.45/66,346.94
  6. Step 6: Final answer
    x = 54,495.42

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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.