Home / 39,031.92-58,547.70-12,736.56

Finding the Fourth Proportional to 39,031.92, 58,547.70 and 12,736.56

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Solution

The fourth proportional to 39,031.92, 58,547.70 and 12,736.56 is: 19,104.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,031.92 : 58,547.70 = 12,736.56 : x
  2. Step 2: Convert to fraction form
    39,031.92/58,547.70 = 12,736.56/x
  3. Step 3: Cross multiply
    39,031.92x = 58,547.70 × 12,736.56
  4. Step 4: Simplify right side
    39,031.92x = 745,696,293.91
  5. Step 5: Solve for x
    x = 745,696,293.91/39,031.92
  6. Step 6: Final answer
    x = 19,104.78

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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.