Home / 38,457.59-57,686.99-12,162.56

Finding the Fourth Proportional to 38,457.59, 57,686.99 and 12,162.56

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Solution

The fourth proportional to 38,457.59, 57,686.99 and 12,162.56 is: 18,244.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,457.59 : 57,686.99 = 12,162.56 : x
  2. Step 2: Convert to fraction form
    38,457.59/57,686.99 = 12,162.56/x
  3. Step 3: Cross multiply
    38,457.59x = 57,686.99 × 12,162.56
  4. Step 4: Simplify right side
    38,457.59x = 701,621,127.85
  5. Step 5: Solve for x
    x = 701,621,127.85/38,457.59
  6. Step 6: Final answer
    x = 18,244.02

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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.