Home / 37,538.17-51,821.41-21,619.53

Finding the Fourth Proportional to 37,538.17, 51,821.41 and 21,619.53

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Solution

The fourth proportional to 37,538.17, 51,821.41 and 21,619.53 is: 29,845.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,538.17 : 51,821.41 = 21,619.53 : x
  2. Step 2: Convert to fraction form
    37,538.17/51,821.41 = 21,619.53/x
  3. Step 3: Cross multiply
    37,538.17x = 51,821.41 × 21,619.53
  4. Step 4: Simplify right side
    37,538.17x = 1,120,354,528.14
  5. Step 5: Solve for x
    x = 1,120,354,528.14/37,538.17
  6. Step 6: Final answer
    x = 29,845.74

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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.