Home / 34,756.85-47,929.28-30,916.37

Finding the Fourth Proportional to 34,756.85, 47,929.28 and 30,916.37

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Solution

The fourth proportional to 34,756.85, 47,929.28 and 30,916.37 is: 42,633.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,756.85 : 47,929.28 = 30,916.37 : x
  2. Step 2: Convert to fraction form
    34,756.85/47,929.28 = 30,916.37/x
  3. Step 3: Cross multiply
    34,756.85x = 47,929.28 × 30,916.37
  4. Step 4: Simplify right side
    34,756.85x = 1,481,798,960.09
  5. Step 5: Solve for x
    x = 1,481,798,960.09/34,756.85
  6. Step 6: Final answer
    x = 42,633.30

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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.