Home / 53,239.33-79,914.36-39,215.18

Finding the Fourth Proportional to 53,239.33, 79,914.36 and 39,215.18

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Solution

The fourth proportional to 53,239.33, 79,914.36 and 39,215.18 is: 58,863.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,239.33 : 79,914.36 = 39,215.18 : x
  2. Step 2: Convert to fraction form
    53,239.33/79,914.36 = 39,215.18/x
  3. Step 3: Cross multiply
    53,239.33x = 79,914.36 × 39,215.18
  4. Step 4: Simplify right side
    53,239.33x = 3,133,856,011.98
  5. Step 5: Solve for x
    x = 3,133,856,011.98/53,239.33
  6. Step 6: Final answer
    x = 58,863.55

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1.5x scale

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.