Home / 38,771.69-58,120.59-12,457.96

Finding the Fourth Proportional to 38,771.69, 58,120.59 and 12,457.96

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Solution

The fourth proportional to 38,771.69, 58,120.59 and 12,457.96 is: 18,675.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,771.69 : 58,120.59 = 12,457.96 : x
  2. Step 2: Convert to fraction form
    38,771.69/58,120.59 = 12,457.96/x
  3. Step 3: Cross multiply
    38,771.69x = 58,120.59 × 12,457.96
  4. Step 4: Simplify right side
    38,771.69x = 724,063,694.79
  5. Step 5: Solve for x
    x = 724,063,694.79/38,771.69
  6. Step 6: Final answer
    x = 18,675.06

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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.