Home / 38,776.74-58,165.41-21,237

Finding the Fourth Proportional to 38,776.74, 58,165.41 and 21,237

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Solution

The fourth proportional to 38,776.74, 58,165.41 and 21,237 is: 31,855.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,776.74 : 58,165.41 = 21,237 : x
  2. Step 2: Convert to fraction form
    38,776.74/58,165.41 = 21,237/x
  3. Step 3: Cross multiply
    38,776.74x = 58,165.41 × 21,237
  4. Step 4: Simplify right side
    38,776.74x = 1,235,258,865.26
  5. Step 5: Solve for x
    x = 1,235,258,865.26/38,776.74
  6. Step 6: Final answer
    x = 31,855.67

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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.