Home / 38,764.05-58,109.16-12,450.34

Finding the Fourth Proportional to 38,764.05, 58,109.16 and 12,450.34

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Solution

The fourth proportional to 38,764.05, 58,109.16 and 12,450.34 is: 18,663.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,764.05 : 58,109.16 = 12,450.34 : x
  2. Step 2: Convert to fraction form
    38,764.05/58,109.16 = 12,450.34/x
  3. Step 3: Cross multiply
    38,764.05x = 58,109.16 × 12,450.34
  4. Step 4: Simplify right side
    38,764.05x = 723,478,918.44
  5. Step 5: Solve for x
    x = 723,478,918.44/38,764.05
  6. Step 6: Final answer
    x = 18,663.66

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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.