Home / 37,808.73-56,721.56-11,515.55

Finding the Fourth Proportional to 37,808.73, 56,721.56 and 11,515.55

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Solution

The fourth proportional to 37,808.73, 56,721.56 and 11,515.55 is: 17,275.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,808.73 : 56,721.56 = 11,515.55 : x
  2. Step 2: Convert to fraction form
    37,808.73/56,721.56 = 11,515.55/x
  3. Step 3: Cross multiply
    37,808.73x = 56,721.56 × 11,515.55
  4. Step 4: Simplify right side
    37,808.73x = 653,179,619.07
  5. Step 5: Solve for x
    x = 653,179,619.07/37,808.73
  6. Step 6: Final answer
    x = 17,275.89

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1.5x scale

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.