Home / 38,385.64-57,541.52-19,674.52

Finding the Fourth Proportional to 38,385.64, 57,541.52 and 19,674.52

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Solution

The fourth proportional to 38,385.64, 57,541.52 and 19,674.52 is: 29,492.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,385.64 : 57,541.52 = 19,674.52 : x
  2. Step 2: Convert to fraction form
    38,385.64/57,541.52 = 19,674.52/x
  3. Step 3: Cross multiply
    38,385.64x = 57,541.52 × 19,674.52
  4. Step 4: Simplify right side
    38,385.64x = 1,132,101,786.07
  5. Step 5: Solve for x
    x = 1,132,101,786.07/38,385.64
  6. Step 6: Final answer
    x = 29,492.85

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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.