Home / 38,275.12-57,390-14,874.22

Finding the Fourth Proportional to 38,275.12, 57,390 and 14,874.22

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Solution

The fourth proportional to 38,275.12, 57,390 and 14,874.22 is: 22,302.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,275.12 : 57,390 = 14,874.22 : x
  2. Step 2: Convert to fraction form
    38,275.12/57,390 = 14,874.22/x
  3. Step 3: Cross multiply
    38,275.12x = 57,390 × 14,874.22
  4. Step 4: Simplify right side
    38,275.12x = 853,631,485.80
  5. Step 5: Solve for x
    x = 853,631,485.80/38,275.12
  6. Step 6: Final answer
    x = 22,302.52

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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.