Home / 38,748.96-58,117.92-12,450.30

Finding the Fourth Proportional to 38,748.96, 58,117.92 and 12,450.30

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Solution

The fourth proportional to 38,748.96, 58,117.92 and 12,450.30 is: 18,673.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,748.96 : 58,117.92 = 12,450.30 : x
  2. Step 2: Convert to fraction form
    38,748.96/58,117.92 = 12,450.30/x
  3. Step 3: Cross multiply
    38,748.96x = 58,117.92 × 12,450.30
  4. Step 4: Simplify right side
    38,748.96x = 723,585,539.38
  5. Step 5: Solve for x
    x = 723,585,539.38/38,748.96
  6. Step 6: Final answer
    x = 18,673.68

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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.