Home / 30,258.21-41,757.87-16,829.72

Finding the Fourth Proportional to 30,258.21, 41,757.87 and 16,829.72

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Solution

The fourth proportional to 30,258.21, 41,757.87 and 16,829.72 is: 23,225.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,258.21 : 41,757.87 = 16,829.72 : x
  2. Step 2: Convert to fraction form
    30,258.21/41,757.87 = 16,829.72/x
  3. Step 3: Cross multiply
    30,258.21x = 41,757.87 × 16,829.72
  4. Step 4: Simplify right side
    30,258.21x = 702,773,051.11
  5. Step 5: Solve for x
    x = 702,773,051.11/30,258.21
  6. Step 6: Final answer
    x = 23,225.86

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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.