Home / 70,741.44-97,621.13-38,910.33

Finding the Fourth Proportional to 70,741.44, 97,621.13 and 38,910.33

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Solution

The fourth proportional to 70,741.44, 97,621.13 and 38,910.33 is: 53,695.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,741.44 : 97,621.13 = 38,910.33 : x
  2. Step 2: Convert to fraction form
    70,741.44/97,621.13 = 38,910.33/x
  3. Step 3: Cross multiply
    70,741.44x = 97,621.13 × 38,910.33
  4. Step 4: Simplify right side
    70,741.44x = 3,798,470,383.27
  5. Step 5: Solve for x
    x = 3,798,470,383.27/70,741.44
  6. Step 6: Final answer
    x = 53,695.12

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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.