Home / 37,121.88-55,656.36-17,389.67

Finding the Fourth Proportional to 37,121.88, 55,656.36 and 17,389.67

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Solution

The fourth proportional to 37,121.88, 55,656.36 and 17,389.67 is: 26,072.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,121.88 : 55,656.36 = 17,389.67 : x
  2. Step 2: Convert to fraction form
    37,121.88/55,656.36 = 17,389.67/x
  3. Step 3: Cross multiply
    37,121.88x = 55,656.36 × 17,389.67
  4. Step 4: Simplify right side
    37,121.88x = 967,845,733.80
  5. Step 5: Solve for x
    x = 967,845,733.80/37,121.88
  6. Step 6: Final answer
    x = 26,072.11

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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.