Home / 37,606.56-51,885.20-21,688.88

Finding the Fourth Proportional to 37,606.56, 51,885.20 and 21,688.88

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Solution

The fourth proportional to 37,606.56, 51,885.20 and 21,688.88 is: 29,923.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,606.56 : 51,885.20 = 21,688.88 : x
  2. Step 2: Convert to fraction form
    37,606.56/51,885.20 = 21,688.88/x
  3. Step 3: Cross multiply
    37,606.56x = 51,885.20 × 21,688.88
  4. Step 4: Simplify right side
    37,606.56x = 1,125,331,876.58
  5. Step 5: Solve for x
    x = 1,125,331,876.58/37,606.56
  6. Step 6: Final answer
    x = 29,923.82

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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.