Home / 71,336.76-98,444.64-39,505.62

Finding the Fourth Proportional to 71,336.76, 98,444.64 and 39,505.62

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Solution

The fourth proportional to 71,336.76, 98,444.64 and 39,505.62 is: 54,517.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,336.76 : 98,444.64 = 39,505.62 : x
  2. Step 2: Convert to fraction form
    71,336.76/98,444.64 = 39,505.62/x
  3. Step 3: Cross multiply
    71,336.76x = 98,444.64 × 39,505.62
  4. Step 4: Simplify right side
    71,336.76x = 3,889,116,538.88
  5. Step 5: Solve for x
    x = 3,889,116,538.88/71,336.76
  6. Step 6: Final answer
    x = 54,517.71

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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.