Home / 38,169.97-52,675.40-21,173.67

Finding the Fourth Proportional to 38,169.97, 52,675.40 and 21,173.67

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Solution

The fourth proportional to 38,169.97, 52,675.40 and 21,173.67 is: 29,220.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,169.97 : 52,675.40 = 21,173.67 : x
  2. Step 2: Convert to fraction form
    38,169.97/52,675.40 = 21,173.67/x
  3. Step 3: Cross multiply
    38,169.97x = 52,675.40 × 21,173.67
  4. Step 4: Simplify right side
    38,169.97x = 1,115,331,536.72
  5. Step 5: Solve for x
    x = 1,115,331,536.72/38,169.97
  6. Step 6: Final answer
    x = 29,220.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.