Home / 65,284.32-97,910.64-30,190.44

Finding the Fourth Proportional to 65,284.32, 97,910.64 and 30,190.44

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Solution

The fourth proportional to 65,284.32, 97,910.64 and 30,190.44 is: 45,278.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,284.32 : 97,910.64 = 30,190.44 : x
  2. Step 2: Convert to fraction form
    65,284.32/97,910.64 = 30,190.44/x
  3. Step 3: Cross multiply
    65,284.32x = 97,910.64 × 30,190.44
  4. Step 4: Simplify right side
    65,284.32x = 2,955,965,302.28
  5. Step 5: Solve for x
    x = 2,955,965,302.28/65,284.32
  6. Step 6: Final answer
    x = 45,278.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.