Home / 34,461.45-51,691.59-19,638.75

Finding the Fourth Proportional to 34,461.45, 51,691.59 and 19,638.75

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Solution

The fourth proportional to 34,461.45, 51,691.59 and 19,638.75 is: 29,457.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,461.45 : 51,691.59 = 19,638.75 : x
  2. Step 2: Convert to fraction form
    34,461.45/51,691.59 = 19,638.75/x
  3. Step 3: Cross multiply
    34,461.45x = 51,691.59 × 19,638.75
  4. Step 4: Simplify right side
    34,461.45x = 1,015,158,213.11
  5. Step 5: Solve for x
    x = 1,015,158,213.11/34,461.45
  6. Step 6: Final answer
    x = 29,457.79

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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.