Home / 38,474.10-57,718.59-14,779.86

Finding the Fourth Proportional to 38,474.10, 57,718.59 and 14,779.86

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Solution

The fourth proportional to 38,474.10, 57,718.59 and 14,779.86 is: 22,172.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,474.10 : 57,718.59 = 14,779.86 : x
  2. Step 2: Convert to fraction form
    38,474.10/57,718.59 = 14,779.86/x
  3. Step 3: Cross multiply
    38,474.10x = 57,718.59 × 14,779.86
  4. Step 4: Simplify right side
    38,474.10x = 853,072,679.60
  5. Step 5: Solve for x
    x = 853,072,679.60/38,474.10
  6. Step 6: Final answer
    x = 22,172.65

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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.