Home / 37,808.64-56,721.40-11,515.42

Finding the Fourth Proportional to 37,808.64, 56,721.40 and 11,515.42

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Solution

The fourth proportional to 37,808.64, 56,721.40 and 11,515.42 is: 17,275.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,808.64 : 56,721.40 = 11,515.42 : x
  2. Step 2: Convert to fraction form
    37,808.64/56,721.40 = 11,515.42/x
  3. Step 3: Cross multiply
    37,808.64x = 56,721.40 × 11,515.42
  4. Step 4: Simplify right side
    37,808.64x = 653,170,743.99
  5. Step 5: Solve for x
    x = 653,170,743.99/37,808.64
  6. Step 6: Final answer
    x = 17,275.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.