Home / 37,505.12-51,756.84-20,738

Finding the Fourth Proportional to 37,505.12, 51,756.84 and 20,738

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Solution

The fourth proportional to 37,505.12, 51,756.84 and 20,738 is: 28,618.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,505.12 : 51,756.84 = 20,738 : x
  2. Step 2: Convert to fraction form
    37,505.12/51,756.84 = 20,738/x
  3. Step 3: Cross multiply
    37,505.12x = 51,756.84 × 20,738
  4. Step 4: Simplify right side
    37,505.12x = 1,073,333,347.92
  5. Step 5: Solve for x
    x = 1,073,333,347.92/37,505.12
  6. Step 6: Final answer
    x = 28,618.32

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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.