Home / 37,318.72-51,499.88-20,322.99

Finding the Fourth Proportional to 37,318.72, 51,499.88 and 20,322.99

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Solution

The fourth proportional to 37,318.72, 51,499.88 and 20,322.99 is: 28,045.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,318.72 : 51,499.88 = 20,322.99 : x
  2. Step 2: Convert to fraction form
    37,318.72/51,499.88 = 20,322.99/x
  3. Step 3: Cross multiply
    37,318.72x = 51,499.88 × 20,322.99
  4. Step 4: Simplify right side
    37,318.72x = 1,046,631,444.63
  5. Step 5: Solve for x
    x = 1,046,631,444.63/37,318.72
  6. Step 6: Final answer
    x = 28,045.75

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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.