Home / 39,256.65-54,196.29-30,285.09

Finding the Fourth Proportional to 39,256.65, 54,196.29 and 30,285.09

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Solution

The fourth proportional to 39,256.65, 54,196.29 and 30,285.09 is: 41,810.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,256.65 : 54,196.29 = 30,285.09 : x
  2. Step 2: Convert to fraction form
    39,256.65/54,196.29 = 30,285.09/x
  3. Step 3: Cross multiply
    39,256.65x = 54,196.29 × 30,285.09
  4. Step 4: Simplify right side
    39,256.65x = 1,641,339,520.32
  5. Step 5: Solve for x
    x = 1,641,339,520.32/39,256.65
  6. Step 6: Final answer
    x = 41,810.48

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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.