Home / 34,260.96-47,278.32-19,356

Finding the Fourth Proportional to 34,260.96, 47,278.32 and 19,356

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Solution

The fourth proportional to 34,260.96, 47,278.32 and 19,356 is: 26,710.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,260.96 : 47,278.32 = 19,356 : x
  2. Step 2: Convert to fraction form
    34,260.96/47,278.32 = 19,356/x
  3. Step 3: Cross multiply
    34,260.96x = 47,278.32 × 19,356
  4. Step 4: Simplify right side
    34,260.96x = 915,119,161.92
  5. Step 5: Solve for x
    x = 915,119,161.92/34,260.96
  6. Step 6: Final answer
    x = 26,710.26

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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.