Home / 37,659.18-51,969.30-21,743.34

Finding the Fourth Proportional to 37,659.18, 51,969.30 and 21,743.34

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Solution

The fourth proportional to 37,659.18, 51,969.30 and 21,743.34 is: 30,005.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,659.18 : 51,969.30 = 21,743.34 : x
  2. Step 2: Convert to fraction form
    37,659.18/51,969.30 = 21,743.34/x
  3. Step 3: Cross multiply
    37,659.18x = 51,969.30 × 21,743.34
  4. Step 4: Simplify right side
    37,659.18x = 1,129,986,159.46
  5. Step 5: Solve for x
    x = 1,129,986,159.46/37,659.18
  6. Step 6: Final answer
    x = 30,005.60

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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.