Home / 38,945.95-58,429.43-12,293.02

Finding the Fourth Proportional to 38,945.95, 58,429.43 and 12,293.02

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Solution

The fourth proportional to 38,945.95, 58,429.43 and 12,293.02 is: 18,442.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,945.95 : 58,429.43 = 12,293.02 : x
  2. Step 2: Convert to fraction form
    38,945.95/58,429.43 = 12,293.02/x
  3. Step 3: Cross multiply
    38,945.95x = 58,429.43 × 12,293.02
  4. Step 4: Simplify right side
    38,945.95x = 718,274,278.40
  5. Step 5: Solve for x
    x = 718,274,278.40/38,945.95
  6. Step 6: Final answer
    x = 18,442.85

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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.