Home / 34,721.92-47,916.48-18,806.50

Finding the Fourth Proportional to 34,721.92, 47,916.48 and 18,806.50

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Solution

The fourth proportional to 34,721.92, 47,916.48 and 18,806.50 is: 25,953.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,721.92 : 47,916.48 = 18,806.50 : x
  2. Step 2: Convert to fraction form
    34,721.92/47,916.48 = 18,806.50/x
  3. Step 3: Cross multiply
    34,721.92x = 47,916.48 × 18,806.50
  4. Step 4: Simplify right side
    34,721.92x = 901,141,281.12
  5. Step 5: Solve for x
    x = 901,141,281.12/34,721.92
  6. Step 6: Final answer
    x = 25,953.09

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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.