Home / 34,329.15-47,378.79-19,222.65

Finding the Fourth Proportional to 34,329.15, 47,378.79 and 19,222.65

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Solution

The fourth proportional to 34,329.15, 47,378.79 and 19,222.65 is: 26,529.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,329.15 : 47,378.79 = 19,222.65 : x
  2. Step 2: Convert to fraction form
    34,329.15/47,378.79 = 19,222.65/x
  3. Step 3: Cross multiply
    34,329.15x = 47,378.79 × 19,222.65
  4. Step 4: Simplify right side
    34,329.15x = 910,745,897.59
  5. Step 5: Solve for x
    x = 910,745,897.59/34,329.15
  6. Step 6: Final answer
    x = 26,529.81

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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.