Home / 38,541.12-57,821.76-16,355.40

Finding the Fourth Proportional to 38,541.12, 57,821.76 and 16,355.40

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Solution

The fourth proportional to 38,541.12, 57,821.76 and 16,355.40 is: 24,537.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,541.12 : 57,821.76 = 16,355.40 : x
  2. Step 2: Convert to fraction form
    38,541.12/57,821.76 = 16,355.40/x
  3. Step 3: Cross multiply
    38,541.12x = 57,821.76 × 16,355.40
  4. Step 4: Simplify right side
    38,541.12x = 945,698,013.50
  5. Step 5: Solve for x
    x = 945,698,013.50/38,541.12
  6. Step 6: Final answer
    x = 24,537.38

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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.