Home / 37,767.10-56,625.99-21,128.98

Finding the Fourth Proportional to 37,767.10, 56,625.99 and 21,128.98

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Solution

The fourth proportional to 37,767.10, 56,625.99 and 21,128.98 is: 31,679.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,767.10 : 56,625.99 = 21,128.98 : x
  2. Step 2: Convert to fraction form
    37,767.10/56,625.99 = 21,128.98/x
  3. Step 3: Cross multiply
    37,767.10x = 56,625.99 × 21,128.98
  4. Step 4: Simplify right side
    37,767.10x = 1,196,449,410.19
  5. Step 5: Solve for x
    x = 1,196,449,410.19/37,767.10
  6. Step 6: Final answer
    x = 31,679.67

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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.