Home / 38,385.66-57,541.50-19,674.48

Finding the Fourth Proportional to 38,385.66, 57,541.50 and 19,674.48

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Solution

The fourth proportional to 38,385.66, 57,541.50 and 19,674.48 is: 29,492.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,385.66 : 57,541.50 = 19,674.48 : x
  2. Step 2: Convert to fraction form
    38,385.66/57,541.50 = 19,674.48/x
  3. Step 3: Cross multiply
    38,385.66x = 57,541.50 × 19,674.48
  4. Step 4: Simplify right side
    38,385.66x = 1,132,099,090.92
  5. Step 5: Solve for x
    x = 1,132,099,090.92/38,385.66
  6. Step 6: Final answer
    x = 29,492.76

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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.