Home / 37,260.81-51,420.73-20,493.81

Finding the Fourth Proportional to 37,260.81, 51,420.73 and 20,493.81

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Solution

The fourth proportional to 37,260.81, 51,420.73 and 20,493.81 is: 28,281.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,260.81 : 51,420.73 = 20,493.81 : x
  2. Step 2: Convert to fraction form
    37,260.81/51,420.73 = 20,493.81/x
  3. Step 3: Cross multiply
    37,260.81x = 51,420.73 × 20,493.81
  4. Step 4: Simplify right side
    37,260.81x = 1,053,806,850.47
  5. Step 5: Solve for x
    x = 1,053,806,850.47/37,260.81
  6. Step 6: Final answer
    x = 28,281.91

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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.