Home / 47,619.84-71,332.84-30,929.28

Finding the Fourth Proportional to 47,619.84, 71,332.84 and 30,929.28

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Solution

The fourth proportional to 47,619.84, 71,332.84 and 30,929.28 is: 46,330.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,619.84 : 71,332.84 = 30,929.28 : x
  2. Step 2: Convert to fraction form
    47,619.84/71,332.84 = 30,929.28/x
  3. Step 3: Cross multiply
    47,619.84x = 71,332.84 × 30,929.28
  4. Step 4: Simplify right side
    47,619.84x = 2,206,273,381.56
  5. Step 5: Solve for x
    x = 2,206,273,381.56/47,619.84
  6. Step 6: Final answer
    x = 46,330.97

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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.