Home / 70,741.28-97,623.70-38,910.44

Finding the Fourth Proportional to 70,741.28, 97,623.70 and 38,910.44

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Solution

The fourth proportional to 70,741.28, 97,623.70 and 38,910.44 is: 53,696.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,741.28 : 97,623.70 = 38,910.44 : x
  2. Step 2: Convert to fraction form
    70,741.28/97,623.70 = 38,910.44/x
  3. Step 3: Cross multiply
    70,741.28x = 97,623.70 × 38,910.44
  4. Step 4: Simplify right side
    70,741.28x = 3,798,581,121.43
  5. Step 5: Solve for x
    x = 3,798,581,121.43/70,741.28
  6. Step 6: Final answer
    x = 53,696.81

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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.