Home / 38,141.90-57,212.31-14,751.80

Finding the Fourth Proportional to 38,141.90, 57,212.31 and 14,751.80

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Solution

The fourth proportional to 38,141.90, 57,212.31 and 14,751.80 is: 22,127.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,141.90 : 57,212.31 = 14,751.80 : x
  2. Step 2: Convert to fraction form
    38,141.90/57,212.31 = 14,751.80/x
  3. Step 3: Cross multiply
    38,141.90x = 57,212.31 × 14,751.80
  4. Step 4: Simplify right side
    38,141.90x = 843,984,554.66
  5. Step 5: Solve for x
    x = 843,984,554.66/38,141.90
  6. Step 6: Final answer
    x = 22,127.49

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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.