Home / 34,320.50-47,363.09-19,212.78

Finding the Fourth Proportional to 34,320.50, 47,363.09 and 19,212.78

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Solution

The fourth proportional to 34,320.50, 47,363.09 and 19,212.78 is: 26,514.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,320.50 : 47,363.09 = 19,212.78 : x
  2. Step 2: Convert to fraction form
    34,320.50/47,363.09 = 19,212.78/x
  3. Step 3: Cross multiply
    34,320.50x = 47,363.09 × 19,212.78
  4. Step 4: Simplify right side
    34,320.50x = 909,976,628.29
  5. Step 5: Solve for x
    x = 909,976,628.29/34,320.50
  6. Step 6: Final answer
    x = 26,514.08

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1.5x scale

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.