Home / 37,517.19-51,775.38-21,606.76

Finding the Fourth Proportional to 37,517.19, 51,775.38 and 21,606.76

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Solution

The fourth proportional to 37,517.19, 51,775.38 and 21,606.76 is: 29,818.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,517.19 : 51,775.38 = 21,606.76 : x
  2. Step 2: Convert to fraction form
    37,517.19/51,775.38 = 21,606.76/x
  3. Step 3: Cross multiply
    37,517.19x = 51,775.38 × 21,606.76
  4. Step 4: Simplify right side
    37,517.19x = 1,118,698,209.57
  5. Step 5: Solve for x
    x = 1,118,698,209.57/37,517.19
  6. Step 6: Final answer
    x = 29,818.28

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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.