Home / 41,031.82-61,547.72-12,971.56

Finding the Fourth Proportional to 41,031.82, 61,547.72 and 12,971.56

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Solution

The fourth proportional to 41,031.82, 61,547.72 and 12,971.56 is: 19,457.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,031.82 : 61,547.72 = 12,971.56 : x
  2. Step 2: Convert to fraction form
    41,031.82/61,547.72 = 12,971.56/x
  3. Step 3: Cross multiply
    41,031.82x = 61,547.72 × 12,971.56
  4. Step 4: Simplify right side
    41,031.82x = 798,369,942.84
  5. Step 5: Solve for x
    x = 798,369,942.84/41,031.82
  6. Step 6: Final answer
    x = 19,457.34

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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.