Home / 37,938.24-52,357.67-20,945.76

Finding the Fourth Proportional to 37,938.24, 52,357.67 and 20,945.76

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Solution

The fourth proportional to 37,938.24, 52,357.67 and 20,945.76 is: 28,906.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,938.24 : 52,357.67 = 20,945.76 : x
  2. Step 2: Convert to fraction form
    37,938.24/52,357.67 = 20,945.76/x
  3. Step 3: Cross multiply
    37,938.24x = 52,357.67 × 20,945.76
  4. Step 4: Simplify right side
    37,938.24x = 1,096,670,823.46
  5. Step 5: Solve for x
    x = 1,096,670,823.46/37,938.24
  6. Step 6: Final answer
    x = 28,906.74

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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.