Home / 38,743.83-53,461.96-21,744.36

Finding the Fourth Proportional to 38,743.83, 53,461.96 and 21,744.36

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Solution

The fourth proportional to 38,743.83, 53,461.96 and 21,744.36 is: 30,004.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,743.83 : 53,461.96 = 21,744.36 : x
  2. Step 2: Convert to fraction form
    38,743.83/53,461.96 = 21,744.36/x
  3. Step 3: Cross multiply
    38,743.83x = 53,461.96 × 21,744.36
  4. Step 4: Simplify right side
    38,743.83x = 1,162,496,050.18
  5. Step 5: Solve for x
    x = 1,162,496,050.18/38,743.83
  6. Step 6: Final answer
    x = 30,004.68

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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.